Fitness basics
Learning Center
A1C test
Learn more about the preparation for and results of this common diabetes blood test.
Rheumatoid factor
Rheumatoid factor — This blood test can help diagnose autoimmune disorders such as rheumatoid arthritis, Sjogren syndrome and lupus.
Complete blood count (CBC)
Learn what to expect from having this common blood test, why it's done and how to prepare.
STD testing: What's right for you?
Find out how your risk factors affect the types of tests you'll need for sexually transmitted infections (STIs).
Exercise and chronic disease: Get the facts
Find out about the benefits of working out with a long-lasting disease and how to exercise safely.
How fit are you? See how you measure up
Determine your fitness level with this simple fitness assessment.
Cancer blood tests: Lab tests used in cancer diagnosis
Blood tests used to help diagnose cancer include CBC and tumor marker tests. Other tests and procedures are needed to confirm a cancer diagnosis.
Too sick to exercise?
The common cold doesn't have to keep you on the sidelines. Mild to moderate exercise is usually OK if your symptoms are all above the neck, such as a runny nose, nasal congestion, sneezing or minor sore throat. However, if your symptoms are below the neck, such as chest congestion, a hacking cough or upset stomach, delay your workout. And don't exercise if you have a fever, fatigue, widespread muscle aches or a contagious illness.
No pain, no gain? No way!
When it comes to exercise, the "No pain, no gain" mantra is bad advice. Exercise shouldn't hurt. At most, you may feel a little muscle soreness when you do a new workout or activity. If you feel pain, dizziness, nausea or shortness of breath during exercise, stop. You may be pushing yourself too hard.
Fitness: Take it 1 step at a time
When it comes to fitness, give yourself something to work toward. Start with simple goals and then progress to longer range goals. Remember to make your goals realistic and achievable. It's easy to get frustrated and give up if your goals are too ambitious. If you haven't exercised in a while, a short-term goal might be to walk 10 minutes five days a week. An intermediate goal might be to walk 30 minutes five times a week. A long-term goal might be to complete a 5K walk.
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