Healthy aging and longevity Archive

Lightheadedness is a feeling of wooziness or faintness. It is commonly caused by dehydration, drug side effects, blood pressure drops, low blood sugar, heart disease, or stroke.

More than 4.5 million dog bites occur in the US each year. Despite what you might expect, most of these are inflicted by a pet dog in a home. Learn more about how you can avoid injury, and what to do if you do get bitten.

While most people get enough vitamins and minerals from a regular diet, they may benefit from taking a daily multivitamin supplement. These are inexpensive, are considered safe, and may help maintain brain health.

Standard definitions consider a healthy body mass index (BMI), a calculation based on a person's height and weight, as between 18.5 and 24.9. Studies have found that a higher BMI increases risk for heart disease, diabetes, and some types of cancer. However, even if their BMI does not fall into the category of overweight, people who gain five or more pounds may be at risk for health problems, especially if the weight gain is belly fat. The best approach is a combination of aerobic exercise, strength training, and a healthy diet.

Like the rest of the body, the feet are vulnerable to the effects of aging. Women may be more susceptible to certain foot conditions due to hormone fluctuations during pregnancy and a higher incidence of decreased bone density with aging. But everyone's soft tissues become less elastic, making foot problems more likely. Foot conditions that can develop or worsen with age include stress fractures, plantar fasciitis, bunions, flat feet, and osteoarthritis. Simple measures, such as resting the feet and wearing supportive shoes, can help ease pain.

Every bodily function relies on protein. People's protein needs are based on age, body size, activity levels, and overall health. Harvard experts advise people to consume between 1.2 and 2.0 grams of protein each day for every kilogram (2.2 pounds) of body weight. Women need more protein at certain times, including pregnancy and breastfeeding. People who are competitive athletes or trying to build muscle should also eat higher amounts of protein. Older adults should consume higher amounts to combat age-related muscle loss.

Viewing a solar eclipse can damage eyesight if eyes aren't protected. It can lead to solar retinopathy, with symptoms such as blurry or distorted vision, blind spots, and headaches. People planning to view a solar eclipse can wear special glasses to protect their eyes.

Medical anxiety is a fear of doctors and medical settings. Nearly half of American adults in 2023 reported feeling anxious before a doctor's appointment, and four in 10 said their anxiety compels them to put off seeing a doctor. Medical anxiety can stop people from seeking preventive care or necessary treatments, jeopardizing their health. People with medical anxiety may be fearful of needles or shots, a painful test or procedure, or receiving bad news or a serious diagnosis.

According to a 2024 study, older adults with cataracts, age-related macular degeneration, or glaucoma are more likely to suffer falls compared with those without these eye diseases.