For patients with chronic kidney disease, taking the right supplements is essential for their health. A recent study found that choosing one supplement over another may even reduce their death risk.

Mild cognitive impairment causes problems with memory, language and thinking. It can also put people at a greater risk for developing Alzheimer's.  For patients with mild cognitive impairment (MCI), exercising may offer some protection for the mind. 

Vitamins and minerals tend to go through popularity stages. Fish oil has been all the rage. Now it’s being called into question. Vitamin E has had a similar fate. Scientists recently focused on vitamin D and breast cancer prevention.

Certain diseases have a tendency to return even after they have been treated and controlled. For such conditions, medications that can fend off the disease as long as possible are usually preferred.

The foodborne parasite Cyclospora has been causing infections across the US this summer, leaving authorities searching for a culprit.

Concussions can be scary and confusing, but usually they leave no long-term damage if they are treated quickly.

Childhood obesity is a common problem for many children with special needs. Both an unhealthy diet and a lack of exercise contribute to this problem. Parents may be able to change at least one of those unhealthy habits by setting a good example.

Lymph nodes appear throughout the body to help fend off invaders. When cancer cells enter lymph nodes, lymph vessels can carry the cancer to other parts of the body. That’s why doctors examine the lymph nodes closest to the tumor — the sentinel lymph nodes — to check for the presence of cancer.

Dementia is one of those tricky conditions that can be difficult to understand. There are likely many different factors contributing to dementia, and even something as seemingly unrelated as a blood disorder may be involved.

Vaccines protect people from diseases. Pregnant women who get vaccinated can pass on that protection to their developing babies. And it seems some of that protection may last even after birth.