Tobacco use among young adults is on the rise, with many of them using more than one type of tobacco product daily.

The harmful health effects of smoking haven’t stopped some people from smoking. Teens are smoking, too, and some factors may increase smoking in teens.

Smoking poses many health risks, including that of abdominal aortic aneurysm, which can lead to rupture. Men who have ever smoked are especially at risk and advised to be screened for the condition.

For the elderly, a hip fracture can be dangerous and debilitating. People with a hip fracture who live in nursing homes may need extra care.

As people age, there are sometimes impacts on memory, communication and other mental faculties. But could choices we make throughout life ultimately delay the onset of those conditions?

After a heart attack, quitting smoking can be a life-saving health decision. Could quitting smokeless tobacco have the same effect?

Dairy, calcium and vitamin D have been shown to help prevent colorectal cancer. But can they help people who’ve already had colorectal cancer?

To date, there is still no known single cause of autism. But recent research may have uncovered a new potential player in the development of the condition.

There are guidelines for treating children 4 years of age and older for ADHD, but no such guidelines exist for younger children. That lack of guidance hasn’t prevented the treatment of thousands of toddlers for ADHD.

Some research has shown that those who regularly drink or smoke are less likely to take their cholesterol medications. But people with a different unhealthy lifestyle factor do seem to take the medications meant to lower cholesterol and improve their health.