Strength training
Learning Center
Obstructive sleep apnea
Learn the signs that point to this common and potentially serious sleep disorder. And find out the treatments that can help you sleep better.
Rheumatoid arthritis
This chronic inflammatory disorder can affect more than just your joints. It can also damage your skin, eyes, lungs, heart and blood vessels.
Weight training: Do's and don'ts of proper technique
Weight training may look easy — but for best results, proper technique is essential.
Strength training: Get stronger, leaner, healthier
Strength training can help you look good — and feel even better.
Free weights or machines: Which are better?
Free weights are versatile and inexpensive. They also simulate real-life lifting situations and promote whole-body stabilization. Likewise, machine weights can be effective weight training tools, as long as you use machines that adjust to your body dimensions and allow full range of motion of your joints. What is the bottom line? Choose a weight training system that you enjoy and that fits into your lifestyle. And whatever type of resistance you choose, remember that proper technique is more important than the specific type of equipment.
Alzheimer's: Managing sleep problems
Alzheimer's sleep problems affect both you and your loved one. Consider tips for coping.
Hypothyroidism symptoms: Can hypothyroidism cause eye problems?
Hypothyroidism symptoms can vary, but eye problems aren't usually a concern.
Lack of sleep: Can it make you sick?
Lack of sleep can affect your immune system. Here's what you need to know.
High blood pressure dangers: Hypertension's effects on your body
If blood pressure stays high, it can cause other health conditions. Find out more about these complications.
Insomnia
This disorder can make it hard to fall asleep, hard to stay asleep or both, even though you have the chance for enough sleep. It can drain your energy.
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