Routine screening for certain diseases comes with aging. But among the general population, pricey screening tests for dementia may not provide any real benefit for seniors who are not at risk.

A twist of the knee in the wrong way might cause some serious damage. On the one hand, surgery to repair the knee has become more common and requires less poking around in the body. But even the most common of surgeries still comes with certain risks.

The race to find a treatment for Alzheimer's disease has led to trying medications that work for other diseases. One particular medication has shown some positive signs of slowing down signs of Alzheimer's progression.

Alzheimer's disease and cancer are big concerns for many aging people. Having one of those conditions can be difficult for patients and families. Having both would likely be an even greater hardship.

Yoga can be therapeutic for the body in a number of ways. And for people with back pain, a little bit of yoga can go a long way.

Multiple sclerosis (MS) can seriously affect a person's ability to learn and remember information. But spending the time for leisurely learning early in life may help protect against this mental decline.

Extra pounds from fat can stress the body in a number of ways. For older adults, excess weight can rub the knees the wrong way.

It's a "twofer": who knew that a medicine used for fighting infections could also be a pain reliever for surgery? 

Children with particular long-term diseases may experience chronic pain. Yet children can also experience chronic pain even if the cause is less clear.

A certain cholesterol-lowering medicine could knock two birds with one stone if patients' joints are hurting as well.