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- Most cataracts are age related. They show up as a cloudy area in the lens.
- Imagine you're getting ready to race. The stress you feel makes your brain signal the adrenal glands to produce epinephrine or "adrenaline". Adrenaline ...
- Bunions are usually caused by pressure put on the feet by narrow toed, high-heeled shoes. The shoes press on the big toe and push it toward the second ...
- Coughing is a sudden expulsion of air from the lungs through the epiglottis, cartilage located in the throat, at an amazingly fast speed. Compared to ...
- When the bladder fills with urine, sensory nerves send impulses to the brain telling it the bladder is full. The nerves connect with other nerves in the ...
- The glands that make up the endocrine system produce chemical messengers called hormones that travel through the blood to other parts of the body. Important ...
- DCA, or directional coronary atherectomy is a minimally invasive procedure to remove blockage from coronary arteries to improve blood flow to the heart ...
- For the first 12 hours after conception, the fertilized egg remains a single cell. After 30 hours or so, it divides from one cell into two. Some 15 hours ...
- As the heart pumps, arteries, shown here in red, carry oxygen-rich blood away from the heart toward the body's tissues and vital organs. These include ...
- Balloon angioplasty is a procedure used to open narrowed or blocked arteries. It uses a balloon attached to a catheter that's inserted into an artery. ...
