Independent Living Archive

The protein collagen supports skin, hair, nail, bone, joint, and muscle health. As people age, natural collagen production drops. Some early research suggests collagen supplements offer benefits, but people should ask their doctor about the pros and cons.

Certain medications can leave people more vulnerable to heat-related effects or the sun's rays. The medications can raise the risk of dehydration, make people sweat too much or too little, impair the body's ability to regulate temperature, or raise the risk of getting a bad sunburn. In addition, higher temperatures may damage some medicines, including diuretics, blood pressure drugs, some antidepressants, thyroid replacement hormones, and some over-the-counter antihistamines.

People who consume plant-based oil instead of butter may have a lower risk of death from cancer and cardiovascular disease, according to a 2025 study. These oils have more heart-healthy unsaturated fats, which help lower cholesterol levels and chronic inflammation.

Daily morning exposure to blue-enriched light can improve sleep quality and increase activity levels in older adults, according to a 2025 study. Researchers believe morning blue light "wakes up" the brain, which increases alertness and synchronizes the sleep-wake cycle.

Mosquito repellents that rely on certain natural substances may not be as effective when temperatures reach 90° or higher. For very hot weather, people may get better protection by using the synthetic repellent DEET.

Older adults are especially vulnerable to heat-related ailments like heat exhaustion and heatstroke. The primary reason is biological, as aging bodies can't maintain a steady internal body temperature when external conditions change. Heart conditions and heart medications can add to the problem. Older adults can protect themselves from heat ailments by taking standard precautions during hot weather and recognizing the early symptoms of ailments so they can seek immediate treatment.

Guidelines recommend at least seven hours of sleep nightly for most healthy adults. But instead of fixating on a specific number of hours, experts suggest people focus on how well they sleep, also known as sleep quality. Improving sleep quality starts with recognizing the factors contributing to poor sleep. One way is for people to keep a sleep diary for one to two weeks to record details of their sleep experience. Afterward, they can review the information to identify any patterns that may be affecting their sleep and make adjustments.

Taking a daily multivitamin helps fill in nutritional gaps and some studies have found a link to better cognitive fitness. Adding a vitamin D supplement may help maintain bone health and a B₁₂ supplement is suitable for people who might have difficulty getting this vitamin from food.

A 2024 study indicated that adults 65 and older with major depression are more likely to exhibit risky driving behaviors such as speeding, hard braking, and hard cornering.