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COVID-19 and pets: Can dogs and cats get COVID-19?
Find out how COVID-19 can affect dogs and cats, what you can do to protect your pet, and how to care for your pet if it becomes sick.
Bump on the head: When is it a serious head injury?
Even a minor injury to the scalp or forehead can cause a large lump. Find out when it's time to see a healthcare professional.
Bulging disk vs. herniated disk: What's the difference?
Compared with a bulging disk, a herniated disk is more likely to cause pain because it protrudes farther and is more likely to compress nerve roots.
Blood pressure: Is it affected by cold weather?
Blood pressure generally is higher in the winter than in the summer. Discover why.
Bladder infection in men
Although women are more likely to get bladder infections, men can get them, too. Learn about signs and symptoms and what could put you at risk.
Bacterial vs. viral infections: How do they differ?
Understand the differences between bacterial and viral infections.
Avulsion fracture: How is it treated?
Surgery is rarely needed to reattach a small chunk of bone when it gets pulled away from the main part of the bone by a tendon or ligament.
Aortic calcification: An early sign of heart valve problems?
Aortic valve calcification — once thought a harmless condition — may be a sign of heart valve disease.
Alzheimer's and dementia: What's the difference?
The terms 'Alzheimer's disease' and 'dementia' are often used to mean the same thing — but here's the real difference between them.
Adult bed-wetting: A concern?
Adult bed-wetting is uncommon and requires evaluation by a doctor. Learn about possible causes.
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