Recent Blog Articles

Do toddler formulas deliver on nutrition claims?

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Harvard Health Blog
Read the latest posts from experts at Harvard Health Publishing covering a variety of health topics and perspectives on medical news.
Articles
Back pain often overdiagnosed and overtreated
What doctors call “routine” back pain can really, really hurt. Surprisingly, the best treatment is usually quite conservative—over-the-counter pain relievers, ice and heat, and gentle exercise. Yet for decades, many doctors have been ordering more and more unnecessary tests, narcotics, and referrals to surgery. A new study of 24,000 people treated for back pain from 1999 through 2010 shows that many were not treated according to established guidelines, which promote treatment with over-the-counter pain relievers and physical therapy when appropriate, and advise against early referral for MRI or CT scans, the use of narcotics, or early referral to other physicians for injections or surgery. For a first-time bout with low back pain, or another go-round with it, try cold and heat, rest followed by gentle exercise, and over-the-counter pain relievers, such as acetaminophen or an NSAID like aspirin, ibuprofen, or naproxen.
Expert panel proposes annual lung cancer test for some
Proposed recommendations from the influential U.S. Preventive Services Task Force call for annual CT scans for some current and former smokers. Implementing these recommendations could prevent an estimated 20,000 deaths per year from lung cancer. The task force suggests annual testing for men and women between the ages of 55 and 79 years who smoked a pack of cigarettes a day for 30 years or the equivalent, such as two packs a day for 15 years or three packs a day for 10 years. This includes current smokers and those who quit within the previous 15 years. According to the draft recommendations, which were published today in the Annals of Internal Medicine, the benefits of annual checks in this group outweighs the risks. According to the Task Force recommendations, not all smokers or former smokers should undergo yearly CT scans. This group includes smokers or former smokers who are younger than 55 or older than 79, who smoked less or less often than a pack of cigarettes a day for 30 years or the equivalent, who quit smoking 15 or more years ago, or who are too sick or frail to undergo treatment for lung cancer. These draft recommendations have been posted for public comment until August 26, 2013.
Go with the flow: engagement and concentration are key
Have you ever been so immersed in what you were doing that all distractions and background chatter just fell away? Nothing existed except the brush and your painting, your skis and the slope, your car and the road. Mihaly Csikszentmihalyi, a renowned professor of psychology at Claremont Graduate University in Claremont, Calif., calls that state of intense absorption “flow.” Flow experiences lead to positive emotions in the short term, and over the long term people who more frequently experience flow are generally happier. Flow experiences have several common characteristics. These include losing awareness of time, not thinking about yourself, working effortlessly, and wanting to repeat the experience. They are more likely to occur when there is a balance between the challenge of an activity and the skill you have in performing it.
Women often fear sex after a heart attack
A heart attack can be a frightening wake-up call with long-lasting aftereffects. It’s no surprise that women often tread gently after having a heart attack—and many don’t tread back into the bedroom for sex. Up to 60% of women are less sexually active after a heart attack, often due to worries that sex could trigger a repeat heart attack. A new study suggests that although women believe sex is important for resuming a sense of normalcy and intimacy with their partners, many are fearful that it would be too much for their hearts to take. Reassurance from a doctor is sometimes all that’s needed to ease those fears. How does a woman know if she’s physically ready for sex after a heart attack? It’s safe to have sex if you can work up a light sweat without triggering symptoms like chest pain or shortness of breath.
Falling TVs injure 17,000 kids a year
More than 17,000 American youths end up in emergency departments each year with injuries from a falling television set. Two-thirds of them are under age 5, according to a report published online today in the journal Pediatrics. From 1996 to 2011, nearly 400,000 children under 18 years old were treated in emergency departments for TV-related injuries. In 1996, most of the injuries occurred when kids ran into television sets. By 2011, injuries from falling TVs dominated. The rate of TVs falling from dressers, bureaus, chests of drawers, and armoires nearly quadrupled. The authors of the study suggest that adding TVs to the list of furniture types that come with anti-tip devices “would be an important step in decreasing the number of injuries resulting from falling TVs.”
New treatment option for prostate cancer that has spread to the bones
The radioactive element radium has been used to treat cancer since soon after its discovery in 1898 by Marie Curie and her husband, Pierre. And it’s still finding new uses—a recently approved form of radium, radium-223 (Xofigo), is now being used to treat prostate cancer that has spread to the bones. Researchers say that Xofigo addresses “an unmet need” in men with this type of prostate cancer, since current therapies don’t work very well against it.
Straight talk needed to choose health care at the end of life
Birth, childhood, adulthood, and death span the book of life. Unfortunately, many people tend to avoid thinking or talking about how they want the final chapter to read. For the seriously ill or elderly—and even those who aren’t—not expressing wishes and desires about health care at the end of life can lead to getting care you wouldn’t have chosen for yourself. Families often bear the brunt of delaying or avoiding a discussion about a loved one’s end-of-life preferences. That often leaves family members making decisions without knowing what their loved one would have wanted. Doctors in Canada just published recommendations for starting the end-of-life conversation. The Conversation Project offers a “starter kit” to help people prepare to discuss their end-of-life wishes. Another resource is Five Wishes, a planning document distributed by the Aging with Dignity Foundation.
Taking aspirin linked to lower risk of colorectal cancer
Aspirin has many uses, from easing a headache or cooling a fever to preventing heart attacks and the most common kind of stroke. It may be time to add “preventing colorectal cancer” to the list. New results from the Women’s Health Study, a clinical trial that evaluated the benefits and risks of low-dose aspirin and vitamin E among nearly 40,000 women, show that aspirin reduces the risk of developing colorectal cancer by 20%. The effect isn’t immediate, but instead takes ten to 20 years to be seen. Aspirin isn’t without its drawbacks, including gastrointestinal bleeding and ulcer formation. Both occurred slightly more often among women taking aspirin. Although the Women’s Health Study results sound promising, don’t go reaching for the aspirin bottle just yet. Taking aspirin—and any other drug—is really a balancing act between benefits and risks.
Genetic testing to guide prostate removal: too soon to know if it helps
Is it possible for a gene test to identify whether a prostate that’s healthy today is sure to develop cancer down the road? And should results of such a test be the basis for removing a seemingly healthy prostate gland? Those are questions raised by recent press reports of a British man who had his prostate gland removed because he carried a faulty gene called BRCA2.
Aspirin-like drug may help diabetics control blood sugar
An old, aspirin-like drug called salsalate could help control blood sugar in people with type 2 diabetes. In the TINSAL-T2D trial, 286 volunteers took pills containing either salsalate or a placebo for nearly a year. Over the course of the trial, those in the salsalate group had lower blood sugar levels, and some were even able to reduce dosages of other diabetes medications they were taking. Experts aren’t exactly sure how salsalate helps control blood sugar, but its effectiveness supports the idea that inflammation plays a role in type 2 diabetes. Although the results are promising, what we really need to know about salsalate (or any new or repurposed drug) is how its long-term benefits and risks stack up against each other. The trial was too small and too short to determine those risks. According to the researchers, such “outcomes require continued evaluation before salsalate can be recommended for widespread use” by people with type 2 diabetes.
Medical crises don’t take vacations
The sudden hospitalization yesterday of Teresa Heinz Kerry, wife of U.S. Secretary of State John Kerry, while vacationing on Nantucket Island is high-profile testimony that illness can happen at any time—even during a vacation. Heinz Kerry was taken by ambulance on Sunday afternoon to Nantucket Cottage Hospital. She was accompanied by her husband. After being stabilized, she and the Secretary of State were flown to Massachusetts General Hospital in Boston. Neither the hospital nor Heinz Kerry’s family has commented on the nature of her illness. News reports say she is in critical but stable condition. Heinz Kerry’s situation highlights the value of electronic medical records, and the hazards of not having, or being able to access, medical information when you are travelling or on vacation.
Fluids, cool air key to avoiding heat stroke
Summer’s heat is as predictable as winter’s chill. Heat-related illnesses—and even deaths—are also predictable. But they aren’t inevitable. In fact, most are preventable. Most healthy people tolerate the heat without missing a beat. It’s not so easy for people with damaged or weakened hearts, or for older people whose bodies don’t respond as readily to stress as they once did. There are three different levels of heart-related illness: heat cramps, heat exhaustion, and heat stroke. Some simple choices can help you weather the weather. Drinking water and other hydrating fluids is essential. Putting off exercise or other physical activity until things cool down also helps. Chilled air is the best way to beat the heat. Sticking with smaller meals that don’t overload the stomach can also help.
Checking blood pressure at home pays off
Do-it-yourselfers, take heart. Here’s something else to do at home that can have a substantial benefit on your health: measure your blood pressure. It’s easy, inexpensive, and helps control blood pressure better than visits to the doctor. The latest evidence for the benefits of home blood pressure monitoring comes from researchers in Minnesota. In a 12-month clinical trial, 72% of those doing home monitoring had their blood pressure under control compared to 57% who received usual care. The benefits persisted six months after the program had ended. Anyone can monitor blood pressure at home. You can buy a good home blood pressure monitor at a pharmacy or online merchant for anywhere from $50 to $100. Some insurance companies cover the cost.
New trial muddies the water about diet, exercise, and diabetes
Long-awaited results from a nearly 10-year trial exploring the effect of changes in diet and exercise among people with diabetes weren’t what most people expected. The Look AHEAD trial found that intensive efforts to lose weight by eating less and exercising more didn’t provide any more protection against heart disease—a common co-traveler with diabetes—than standard diabetes support and education. The spin from some media reports is that weight loss doesn’t reduce heart disease risk among people with type 2 diabetes, but I think that’s the wrong interpretation. The results of the Look AHEAD trial don’t contradict the value of lifestyle changes. People in the intensive change group improved their blood sugar with fewer drugs, saving an estimated $600 per year, they were also less likely to have developed chronic kidney disease and less self-reported vision problems. The Look AHEAD results reinforce for me that diabetes care needs to be tailored to the individual.
Better use of medicines could save billions
Wiser use of prescription medications by everyone—doctors and their patients—could save the U.S. health care system more than $200 billion a year. That’s the conclusion of a new report, Avoidable Costs in U.S. Healthcare, from the IMS Institute for Healthcare Informatics. Inefficient or ineffective use of medications lead to six million hospitalizations, four million trips to the emergency room and 78 million visits to doctors and other care providers each year, according to the report. Those are huge numbers. Although $213 billion represents less than 8% of what Americans spend on health care each year, it’s still a staggering sum. It also exacts human costs that aren’t reflected in the estimates. The report identifies 6 things that can be improved to address the problem: 1) not taking medications as directed, 2) taking too many medications, 3) delayed treatment, 4) overuse of antibiotics, 5) medication errors, and 6) underuse of generic medications.
Cities can learn lessons about diabetes from rural areas
City dwellers often think of rural America as a throwback to past “good old days.” But when it comes to obesity and diabetes, people living outside urban areas offer a frightening glimpse of the future. While more than 8% of Americans now have diabetes, in some rural counties 20% of the residents have diabetes. Those counties also tend to have high rates of obesity. Barriers to healthy living contribute to both obesity and diabetes. So does lack of primary care physicians. One answer may be greater reliance on community health workers—lay people trained to provide diabetes education and outreach. In Birmingham, Alabama, the Cities for Life program has doctors refer people with diabetes to “patient navigators” who help them find local resources such as nearby exercise classes or mobile farmers’ markets.
Infection, autoimmune disease linked to depression
Depression, bipolar disorder, and other mental health problems arise when something goes wrong with brain function. What causes that malfunction is an open question. A new study from Denmark suggests that a serious infection or autoimmune disease could trigger a mood disorder. How might an infection or autoimmune disorder lead to a mood or other mental health disorder? Infection causes localized and body-wide inflammation. Inflammation generates substances called cytokines that have been shown to change how brain cells communicate. In autoimmune diseases, the body’s defense system attacks healthy tissues rather than threatening invaders. It’s possible that in some cases the wayward immune reaction could target brain cells and other nerve cells throughout the body.
Ask questions to get the most out of a health care visit
During visits with your doctors or other health care providers, do you speak up and ask questions? If the answer is “yes,” congratulations. You’ve taken an important step to getting the most out of your health care visits. You’re also in the minority. Most people have trouble asking their doctors questions. It can be even harder to disagree with your doctor, or make known your preferences for care and even your worries. There are many reasons for poor patient-doctor communication. One is what Timothy J. Judson and colleagues call the asymmetry of power. Medical lingo is another key barrier. The federal Agency for Healthcare Research and Quality’s “Questions to Ask Your Doctor” campaign and the Joint Commission’s “Speak Up Initiatives” offer free information to help people ask the sometimes difficult questions needed for good health care.
Healthy fats may fight early-stage prostate cancer
Each year, nearly a quarter of a million American men learn they have prostate cancer. Most are diagnosed with early-stage cancer that has not spread beyond the prostate gland. Traditional treatments include surgery, radiation therapy, and a “watch and wait” strategy called active surveillance. A new study published online this week in JAMA Internal Medicine indicates that diet may be an important add-on. The study, part of the ongoing Harvard-based Health Professionals Follow-up Study, suggests that eating more foods that deliver healthy vegetable oils can help fight the second leading cause of cancer death in men. Earlier studies have implicated the traditional Western diet, which is relatively high in red meat and other sources of animal fats, with a higher risk for developing prostate cancer in the first place, while eating more vegetable oils and vegetable protein may help prevent it.
Move over Mediterranean—a vegetarian diet is equally good for health
The Mediterranean diet has been getting a lot of press as being the very best for health. But there’s another diet that appears to be equally good: a vegetarian diet. A study published in JAMA Internal Medicine found that people who ate a vegetarian diet were 12% less likely to have died over the course of the five-year study than nonvegetarians. The benefits were especially good for men, who had a significant reduction in heart disease. This study underscores the idea that meat consumption influences long-term health, and not in a good way. Should you consider ditching the Mediterranean diet and becoming a vegetarian instead? Either one is healthier than the typical American diet, so it’s really a matter of personal choice.
Recent Blog Articles

Do toddler formulas deliver on nutrition claims?

Holiday arguments brewing? Here's how to defuse them

What does a birth doula do?

Cellulitis: How long does it take to heal on legs?

21 spices for healthy holiday foods

What to do when driving skills decline

A tough question: When should an older driver stop driving?

3 ways to create community and counter loneliness

Opill: Is this new birth control pill right for you?

Do children get migraine headaches? What parents need to know
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