Physical activity and exercise Archive

Merkel cell cancer is a rare form of skin cancer that often spreads aggressively to other areas of the body. Here's what to know about it, including who is more likely to get it and how you can take steps to help prevent it.

Losing 5% of one's total body weight can result in clinically significant physiologic changes. For example, losing a little weight can reduce heartburn, knee pain, blood pressure, and diabetes risk. Losing 5% of one's body weight may also lead to better sexual function, more restorative sleep, extra energy, and more self-esteem. To reach a 5% reduction in total body weight, it helps to exercise; eat a healthy diet rich in lean proteins, whole grains, fruits, vegetables, legumes, nuts, and seeds; and get enough sleep.

The human body has hundreds of lymph nodes, one part of the immune system that helps defend the body against health threats. They aren't usually noticeable, but they are always working to deal with potential health problems.

There are several types of dietary fat. Some fats are unhealthy, such as trans fat and saturated fat. Polyunsaturated and monounsaturated fat are healthy.

Fitness trackers accurately record objective data about physical activity, including the pace, distance, intensity, and duration of exercise. Knowing that something is keeping track of every move can motivate people to stick with a workout.

For older adults who can't always go to the store, it's smart to keep the freezer stocked with healthy, fresh foods all year through. Staples include a variety of proteins (meat, poultry, and seafood), fruits, and vegetables.

Eating two peeled kiwifruits per day may help ease constipation, according to a small randomized trial published in 2023. The effectiveness of eating kiwifruits was slightly greater than that of using a daily fiber supplement such as Metamucil or Fiberall.

A 2023 Harvard study found that regularly squeezing a week's worth of exercise (150 minutes) into just one or two days—a "weekend warrior" approach—is linked to the same heart-healthy benefits as daily exercise.