Healthy retirement
Learning Center
Stem cells: What they are and what they do
Get answers about where stem cells come from, why they're important for understanding and treating disease, and how they are used.
Statins: Do they cause ALS?
Statins can cause muscle injury in some people. But can they also trigger ALS?
Statins: Are these cholesterol-lowering drugs right for you?
Learn more about the risks and benefits of taking cholesterol-lowering medicines before deciding if they're right for you.
Statin side effects: Weigh the benefits and risks
Statin side effects can be uncomfortable but are rarely dangerous.
Stages of labor and birth: Baby, it's time!
Find out what happens during the different stages of labor and birth.
Sprain: First aid
How to give first aid for a sprain.
Spinal injury: First aid
How to administer first aid for a spinal injury.
Spider bites: First aid
How to administer first aid for a spider bite.
Sperm: How long do they live after ejaculation?
After ejaculation, the life span of sperm depends on the circumstances.
Soy: Does it worsen hypothyroidism?
For most people with hypothyroidism, it's okay to have some soy. But the timing makes a difference.
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