Harvard Health Content API

A 2025 study suggested that living in areas where residents commonly speak multiple languages may promote healthy aging.

People’s lips may appear thinner with age due to several factors, including lower production of collagen and elastin, proteins that provide plumpness to skin. Genes also play a role, as do habits such as smoking and excessive sun exposure.

A 2025 study suggests that adjusting the intensity of breast cancer screening based on individual risk factors is as effective as annual mammograms.

About half of Americans have herpes simplex virus type 1, which causes cold sores that can recur periodically. The virus can’t be eliminated, but topical and oral treatments can help. In addition, people can avoid cold sore triggers such as stress or fatigue.

A 2025 study suggested that women with a history of infertility, miscarriage, or stillbirth or who have borne just one child or no children may be likelier to eventually develop osteoporosis.

Obstructive sleep apnea (OSA), marked by breathing pauses during sleep, is linked to high blood pressure, heart disease, stroke, and diabetes. A 2025 study found that people at high risk for OSA also had about 40% higher odds of depression and other mental health conditions.

A 2025 study found that for people with advanced knee osteoarthritis in which the damage is limited to one side of the joint, partial knee replacement is as effective as total knee replacement for pain relief and improved function and carries a similar need for additional surgeries within 10 years.

A 2025 study found that people ages 50 to 90 who received treatment within one week after a moderate or severe traumatic brain injury had a 41% lower risk of developing Alzheimer’s disease over the following three years, suggesting that early treatment may be important.

A review of 25 studies found that some cannabis products offer modest relief for chronic pain. Small benefits occurred with oral synthetic products higher in THC and plant-derived THC/CBD sprays. High THC levels were associated with side effects like sleepiness, dizziness, and nausea.