Atrial fibrillation - Symptoms and causes - Mayo Clinic Atrial fibrillation (AFib) is a heart rhythm disorder In a typical heart, a group of cells called the sinus node sends electrical signals that start each heartbeat The signals go across the upper heart chambers to the AV node, where they usually slow down Then the signals go to the lower heart chambers, causing them to squeeze and pump out blood But in AFib, the signals in the upper
HDL cholesterol: How to boost your good cholesterol HDL cholesterol levels are often lower in people who have metabolic syndrome This is a group of conditions that includes obesity, increased blood pressure and high blood sugar levels Increased physical activity can raise HDL cholesterol levels while lowering levels of triglycerides, the most common type of fat in the body As little as 60 minutes of moderate-intensity aerobic exercise a week
Deviated septum - Symptoms causes - Mayo Clinic Most deviated septums have no symptoms You might not know you have a deviated septum But sometimes a deviated septum can cause the following: Blockage in one or both nostrils This blockage can make it hard to breathe This might be worse during colds or allergies that can cause nasal passages to swell and narrow Nosebleeds The surface of the nasal septum might become dry This can raise
In vitro fertilization (IVF) - Mayo Clinic In vitro fertilization, also called IVF, is a complex series of procedures that can lead to a pregnancy It's a treatment for infertility, a condition in which you can't get pregnant after at least a year of trying for most couples IVF also can be used to prevent passing on genetic problems to a
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