Recent Blog Articles
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Medical Research Archive
Articles
Editorial calls for more research on link between football and brain damage
Is brain damage an inevitable consequence of American football, an avoidable risk of it, or neither? An editorial published yesterday in the medical journal BMJ poses those provocative questions. Chad Asplund, director of sports medicine at Georgia Regents University, and Thomas Best, professor and chair of sports medicine at Ohio State University, offer an overview of the unresolved connection between playing football and chronic traumatic encephalopathy, a type of gradually worsening brain damage caused by repeated mild brain injuries or concussions. The big question is whether playing football causes chronic traumatic encephalopathy or whether some people who play football already at higher risk for developing it. The Football Players Health Study at Harvard University hopes to provide a solid answer to that and other health issues that affect professional football players.
PCSK9 inhibitors: a major advance in cholesterol-lowering drug therapy
Every so often, a medical advance comes along that rewrites the script for treating a disease or condition. After today’s announcement of impressive results of a new type of cholesterol-lowering drug, that scenario just might happen in the next few years. The results of three clinical trials presented today at the annual meeting of the American College of Cardiology, and simultaneously published in the New England Journal of Medicine, suggest that a class of new drugs called PCSK9 inhibitors can dramatically reduce the amount of harmful LDL cholesterol circulating in the bloodstream and prevent heart attacks, strokes, and other problems related to cholesterol-clogged arteries. The drawbacks are that PCSK9 inhibitors must be given by injection every 2 to 4 weeks, may cause mental confusion or trouble paying attention, and, if approved, will likely be expensive.
For joggers, less may be more
Jogging is one of those activities that seems to embody the concept of healthy physical activity. A new study from Denmark may prompt a rethinking of the benefits of strenuous jogging. Researchers with the ongoing Copenhagen City Heart Study found that, compared to healthy but inactive non-joggers, the death rate of light joggers was 90% lower. No surprise there. But the death rate for strenuous joggers was no different than that of sedentary non-joggers. In this study, the most beneficial exercise was jogging at a slow or moderate pace two to three times a week for a total of 60 to 145 minutes. This one study certainly shouldn’t change the current recommendations for physical activity. But it helps debunk the “no pain, no gain” myth of exercise and supports the idea that any activity is better than none—but there may be an upper limit.
Memory slips in your 70s may be an early hint of future dementia
Of all the health issues that loom large with age, memory loss is among those that provoke the most worry. A big reason is the uncertainty: people often wonder if their occasional memory slips are just a normal part of growing old or a sign of impending Alzheimer’s disease, the most common form of dementia. A new study of older adults, published in today’s issue of the journal Neurology, sheds some light—and perhaps offers a bit of reassurance—about the connection between self-reported memory loss and a diagnosis of dementia. Over a 10-year period as 70-somethings turned into 80-somethings, about 1 in 6 developed dementia. About 80% had reported memory changes. But it took about nine years from the first self-report of a memory change to a diagnosis of mild cognitive impairment, an intermediate stage between normal memory loss and dementia. The transition to dementia usually took about 12 years.
Recent Blog Articles
A bird flu primer: What to know and do
New urine test may help some men with elevated PSA avoid biopsy
Dupuytren's contracture of the hand
Why play? Early games build bonds and brain
Moving from couch to 5K
How — and why — to fit more fiber and fermented food into your meals
Tick season is expanding: Protect yourself against Lyme disease
What? Another medical form to fill out?
How do trees and green spaces enhance our health?
A muscle-building obsession in boys: What to know and do
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