Streptococcus mutans is a bacterium most often associated with cavities. Now, researchers say that same bacteria can rapidly travel to the heart and create a potentially deadly condition.

Patients with type 2 diabetes have to be alert to what's happening in their body. When a diabetic's body starts to get unruly, zinc can act as a "security guard."

Just like a good bra, one size definitely does not fit all when it comes to considering when to begin mammograms. In another step toward personalized healthcare, a new study suggests standards should be modified regarding when to begin mammograms.

When it comes to sports and athletic performance, increasing your amount of sleep each night improves how well you will perform. Extra sleep is beneficial to not only speed and overall performance, but also to reaction time, vigor, fatique and mood.

Some drugs are good for you and others can be addicting, but too much of any drug can be detrimental. Each drug is different, and it's important that consumers are aware of potential dangers.

It's a no-brainer that stopping diabetes before it starts will make a person's life better. On top of that, preventing type 2 diabetes can save money in the long-run.

Social and environmental stressors have a hand in how likely a person is to experience disturbed sleep, and new research shows that racism may also be a stressor - even if the racism is only perceived.

Lung cancer is most commonly detected with a chest X-ray. This standard technique misses a number of early cancers, though. A study shows another technology is not only a better screening tool, but can save the lives of smokers.

Atrial fibrillation can be difficult to treat because medications can stop working. But researchers have developed a new hybrid procedure they believe can better help patients. Though rarely deadly, atrial fibrillation can cause difficult symptoms such as chest pain and fatigue.