Diabetes affects more than 300 million people around the world and has many negative effects, including a higher risk of hypertension, stroke and even vision loss. And a new study suggests blacks may be more at risk for diabetic vision loss.

New research suggests that aspirin may be a safe alternative for those who have to stop taking anti-blood-clotting medicines.

Gestational diabetes, which occurs during pregnancy, has been on the rise. As more expectant women get high blood sugar, more children may also face the threat of getting the disease.

Surgery to repair a torn meniscus is one of the most common orthopedic surgeries around the world. But new research questions whether the surgery is needed as much as it is performed.

The prevalence and costs of new health care procedures constantly change as new techniques emerge. A new study examined one new treatment for prostate cancer.

Patients can reduce some risks for heart disease — like high blood pressure, metabolic conditions and cigarette smoking — through counseling and lifestyle changes, a recent study suggested.

Prescriptions for opioid painkillers have nearly doubled over the past decade. At the same time, opioid overdose deaths have risen. Could the availability of alternative pain treatments, such as medical marijuana, change those overdose rates?

E-cigarettes are often sold as a healthier alternative to cigarettes. The American Heart Association, however, has warned that their use could lead to nicotine addiction and traditional smoking.

The American Academy of Pediatrics (AAP) recently looked at how well fluoride prevented cavities in children. The AAP found that fluoride prevented tooth decay and issued a few new recommendations.

Staying up late, watching TV at night and drinking coffee may not seem like dangerous activities, but they can seriously harm adolescents' health.