Diseases & Conditions Archive

Vision loss has many risk factors. Some risk factors are well known, such as diabetes, high blood pressure, and older age. Other risk factors for vision loss are not as well known, such as inactivity, psoriasis, shingles, and smoking. People who have these risk factors might need eye exams more often than the standard recommendations for healthy adults (a comprehensive eye exam every two years from ages 40 to 65, and every year or two after age 65).

For people older than 75 who have heart disease already, or who are at increased risk of developing heart disease, there now is solid evidence that statins remain effective at lowering cholesterol and, more important, in reducing the risk of new or recurrent heart disease. For people older than 75 who have not been diagnosed with heart disease and are not at increased risk for developing it, the value of statins still is uncertain.

A 2023 study found that compared with "casual" walking (at less than 2 mph), walking 2 mph to 3 mph (brisk walking) was associated with a 15% lower risk of diabetes, no matter how long people walked each day.

Tinnitus is a ringing, buzzing, or other sound in the ears. Age-related hearing loss is the most common cause of tinnitus, which can also be triggered or worsened by exposure to loud noises, medications, ear infections, head injuries, high blood pressure, and declining estrogen.

Night blindness makes it hard to see in dim or dark settings, which can affect safety at home and make driving dangerous after dark. While the cause varies, there are steps people can take to address these problems.

Some people have poor circulation, but if your fingers pale and go numb when exposed to quick changes in temperature, it could be Raynaud's phenomenon, a different kind of circulation problem. Generally, avoiding sudden exposure to cold and other factors that cause blood vessels to constrict, and being prepared with gloves and extra layers of clothing, helps.