HEALTH FUSION

A dog's sense of smell has helped to find missing people, detect drugs at airports and find the tiniest morsel of food dropped from a toddler's highchair. A new study shows that dogs may also be able to sniff out when you're stressed out.

Do you get a little bit cranky after a sleepless night? In this "Health Fusion" column, Viv Williams explores how sleep deprivation can do a lot more damage than just messing with your mornings. It may also make people less willing to help each other.

The aftermath of reports of active shooters at several Minnesota schools has increased anxiety levels for some students and parents. Even though the situation was a hoax, people worry about the real thing. In this episode of NewsMD's "Health Fusion," Viv Williams talks to the director of clinical services at Zumbro Valley Health Center about how parents can help their kids cope.

Interval training, or high intensity interval training (HIIT), is a way to pack the health benefits of exercise into a short amount of time. No matter what your fitness level. In this episode of NewsMD's "Health Fusion," Viv Williams talks to a Mayo Clinic exercise expert about why intervals are so effective.

After a weekend away with old and new friends, Viv Williams explores the power of positive memories. Reminiscing can enhance your mental health. But not if you overdo it. Get the details in this "Health Fusion" column.

If you have type 2 diabetes, you may be able to reduce your risk of developing dementia with seven healthy lifestyle habits. Viv Williams has details of a new study in this episode of NewsMD's "Health Fusion."

When Elyn's symptoms started, she thought maybe it was all just part of getting older. But as things got worse, she and her husband knew something else was very wrong. In this "Health Fusion" column, Viv Williams shares a story of a medical mystery solved by a team of Mayo Clinic sleuths.

Many people track their steps and try to log 10,000 every day for better health. If you add speed to that mix, you'll likely get even more health benefits. Viv Williams has the details of a new study in this episode of NewsMD's "Health Fusion."

When heat waves strike, your sleep can suffer. Sleep researchers offer tips on how to prevent high temperatures from disrupting your nights. Viv Williams has details in this episode of NewsMD's "Health Fusion."