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- Yerba mate: Is it safe to drink? - Mayo Clinic
Yerba mate, also known as mate, is an herbal tea It's a traditional drink in Latin and South America It's made by steeping dried leaves from the yerba mate plant in hot water Yerba mate can be served cold or hot Like black or green tea, it has caffeine, which can make you feel more alert and focused
- Multiple sclerosis - Symptoms and causes - Mayo Clinic
Multiple sclerosis is a disease that causes breakdown of the protective covering of nerves Multiple sclerosis can cause numbness, weakness, trouble walking, vision changes and other symptoms It's also known as MS In MS, the immune system attacks the protective sheath that covers nerve fibers, known as myelin This interrupts communication between the brain and the rest of the body
- Raynauds disease - Symptoms and causes - Mayo Clinic
Raynaud's disease causes smaller blood vessels that supply blood flow to the skin to narrow in response to cold or stress The affected body parts, usually fingers and toes, might turn white then blue Depending on your skin color, these color changes may be harder or easier to see The affected areas may feel cold and numb until blood flow improves, usually after warming up
- Kidney stones - Symptoms and causes - Mayo Clinic
Kidney stones are hard objects made of minerals and salts in urine They form inside the kidneys You may hear healthcare professionals refer to kidney stones as renal calculi, nephrolithiasis or urolithiasis Kidney stones have various causes These include diet, extra body weight, some health
- COPD - Symptoms and causes - Mayo Clinic
Overview Chronic obstructive pulmonary disease (COPD) is an ongoing lung condition caused by damage to the lungs The damage results in swelling and irritation, also called inflammation, inside the airways that limit airflow into and out of the lungs This limited airflow is known as obstruction Symptoms include trouble breathing, a daily cough that brings up mucus and a tight, whistling
- Sleep apnea - Symptoms and causes - Mayo Clinic
Overview Sleep apnea is a potentially serious condition that causes breathing to stop and start several times during sleep People with the condition snore loudly and feel tired even after a full night of sleep The main types of sleep apnea are: Obstructive sleep apnea Also known as OSA, this more common form of sleep apnea occurs when throat narrowing blocks the flow of air into the lungs
- Caffeine content for coffee, tea, soda and more - Mayo Clinic
Find out how much caffeine is in coffee, tea, soda and energy drinks You may be getting more caffeine than you think you are
- Symptom Checker - Mayo Clinic
Find possible causes of symptoms in children and adults See our Symptom Checker
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