Fitness basics
Learning Center
Fitness program: 5 steps to get started
Starting a fitness program is easier than you might think. Follow these five steps.
Don't let your tots burn
When you head outside for family fun this summer, be sure to protect small children from burns. Keep sunblock handy and protect against other burn hazards: 1. Keep little ones away from grills, fire pits and campfires. 2. Don't let children play with or near fireworks or sparklers. 3. Check children's car seats for hot straps or buckles. These can heat up quickly in a car parked in direct sunlight.
Video: 3 things you didn't know about cold sores
Cold sores on the lips can be embarrassing and tough to hide. Most people who are infected with the virus that causes cold sores never develop symptoms.
Degenerative changes in the spine: Is this arthritis?
Degenerative changes in the spine visible on X-rays indicate osteoarthritis of the spine.
Limbic-predominant age-related TDP-43 encephalopathy (LATE)
LATE causes symptoms similar to Alzheimer's, but may progress more slowly.
Cold or allergy: Which is it?
Although colds and seasonal allergies share some of the same symptoms, they are very different diseases. Learn how to tell the difference.
Xylazine
Xylazine is a medicine used to sedate animals. Learn about possible risk of death in humans who take it.
Poppy seed tea: Beneficial or dangerous?
Poppy seed tea may be used as a natural pain reliever. The key is the opioids in the seed coating, which may be dangerous.
Blood pressure: Is it affected by cold weather?
Blood pressure generally is higher in the winter than in the summer. Discover why.
Cellulitis infection: Is it contagious?
Cellulitis — a common, potentially serious bacterial skin infection — is not directly contagious.
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