Depression is a mood disorder that causes a persistent feeling of sadness and loss of interest. Also called major depressive disorder or clinical depression, it affects how you feel, think and behave and can lead to a variety of emotional and physical problems. You may have trouble doing normal day-to-day activities, and sometimes you may feel as if life isn't worth living.
Hypertension can be diagnosed by performing careful and repeated measures of the blood pressure. Blood pressure categories include normal blood pressure, defined as a systolic pressure less than 120, and a diastolic pressure less than 80. Elevated blood pressure is defined as a systolic pressure 120 to 129, and a diastolic pressure less than 80.
Hypercalcemia is a condition in which the calcium level in the blood becomes too high. Too much calcium in the blood can weaken bones and create kidney stones. It also can affect the heart and brain. Most often, hypercalcemia happens after one or more of the parathyroid glands make too much hormone. These four tiny glands are in the neck, near the thyroid gland. Other causes of hypercalcemia ...
New Scientist: World’s only lungless frog species actually does have lungs after all
A tiny frog from Borneo was thought to be the only known frog species with no lungs – but it turns out they do have lungs after all. These frogs are fully aquatic and live in cold and fast-flowing ...
Before frat parties, there were frog ponds. Literal breeding grounds for some of the world’s noisiest bachelors, these lusty pools are where amphibians gather to woo mates. And as any frog researcher ...