Physical Activity Archive

Articles

Cold plunges: Healthy or harmful for your heart?

The purported health benefits of cold plunges include less stress, better sleep, and enhanced immunity, but the evidence is thin. While the practice may ease muscle soreness after intense exercise, it may have detrimental effects on gains in muscle power and strength. Because the shock of cold water on the skin can raise heart rate and blood pressure, people with cardiovascular disease (especially heart rhythm abnormalities) should avoid the practice.

Sedentary work may contribute to insomnia

A 2025 study suggested that people with sedentary jobs are at higher risk of developing insomnia, which can persist for many years.

Is your walking up to speed?

Walking is one of the best ways for older adults to get the recommended 150 minutes of moderate-intensity aerobic exercise per week. But to ensure people get the most from their walking workouts, they need to focus on intensity. One way to do this is with target heart rate. A typical target heart rate for moderate-intensity exercise is between 65% and 75% of a person's calculated maximum heart rate. Improving walking form and doing interval workouts can help increase speed and thus intensity.

A three-pronged approach to exercise

To optimize cardiovascular health, the best strategy may be a workout that combines three types of exercise: moderate-intensity aerobic exercise, vigorous-intensity aerobic exercise, and strength training. Moderate activity burns calories and boosts metabolism, which helps control weight. Moderate-to-vigorous exercise also helps dampen the body's "fight or flight" response, which plays a role in chronic stress and anxiety. Aerobic exercise in general also helps the heart to become more efficient and blood vessels to become more flexible. Strength training makes the body more efficient at burning fat for energy and helps improve insulin sensitivity.

Replacing sitting with standing and walking improves cholesterol

A 2025 study found that in people who are overweight or obese, substituting standing and light walking in place of sitting may help improve blood levels of certain types of fats, including triglycerides and small, dense LDL cholesterol particles.

Exercises that go easy on the bladder

Several strategies can help people cope when stress incontinence leads to urine leaks during exercise. For example, doing low-impact (rather than high-impact) exercise will put less stress on the pelvic floor muscles, helping to reduce leakage. Wearing absorbent "bladder leak" underwear can keep someone dry and comfortable during activity. Regularly strengthening the pelvic floor, abdominal, and hip muscles will bolster the body's ability to keep urine from leaking out of the bladder.

Navigating "male menopause"

During midlife and later, men often experience a lower energy level, sour mood, and decline in sex drive. These changes have been tagged with the term "male menopause." A low testosterone level may be a factor. Lifestyle changes, such as losing weight, increasing exercise, and following healthy sleep patterns, can help raise low levels. Another option is testosterone replacement therapy, but men need to weigh the possible benefits versus the risks.

Even small amounts of extra exercise could lower blood pressure

A 2024 study suggested that even five minutes of additional vigorous daily exercise could lower blood pressure.

Practical pointers for pickleballers

Playing pickleball can boost cardiovascular health, but this popular sport can leave older players prone to injuries. Preventive strategies including taking a class to learn proper form; choosing supportive gear such as well-fitting shoes and sleeve braces; warming up before playing with squats, lunges, and heel raises; and doing lower-body strength-building exercises a couple of times per week.

Free Healthbeat Signup

Get the latest in health news delivered to your inbox!

Sign Up
Harvard Health Publishing Logo

Thanks for visiting. Don't miss your FREE gift.

25 Gut Health Hacks is yours absolutely FREE when you sign up to receive health information from Harvard Medical School.

Sign up to get tips for living a healthy lifestyle, with ways to lessen digestion problems…keep inflammation under control…learn simple exercises to improve your balance…understand your options for cataract treatment…all delivered to your email box FREE.

Harvard Health Publishing Logo

Stay on top of latest health news from Harvard Medical School.

Plus, get a FREE copy of 25 Gut Health Hacks.

Harvard Health Publishing Logo

Stay on top of latest health news from Harvard Medical School.

Plus, get a FREE copy of 25 Gut Health Hacks.