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Learning Center
Scalp psoriasis vs. seborrheic dermatitis: What's the difference?
Learn how to tell apart these common conditions of the scalp, both of which cause inflamed, scaly skin.
Salt craving: A symptom of Addison's disease?
Constantly craving salt could signal a medical condition, such as Addison's disease.
Ricin poisoning
This deadly poison comes from castor bean plants. The same beans are used to make castor oil.
Rheumatoid arthritis: Can it affect the lungs?
Although rheumatoid arthritis primarily affects the joints, it can also affect the lungs.
Rheumatoid arthritis: Can it affect the eyes?
Although rheumatoid arthritis is primarily a joint disease, it occasionally affects the eyes.
Rhabdomyolysis from statins: What's the risk?
Rhabdomyolysis is a rare but potentially life-threatening side effect of statins.
Resperate: Can it help reduce blood pressure?
This device teaches slow, deep breathing, which can reduce blood pressure.
Repeat C-sections: Is there a limit?
Repeat C-sections are common — but each C-section is generally more complicated than the last.
Renal diet for vegetarians: What about protein?
Although a kidney diet limits protein, you still must eat some protein every day.
Recurrent prostate infection: What are the treatment options?
These infections that keep coming back can be hard to treat. Here's what to know.
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