Australopithecus afarensis is one of the longest-lived and best-known early human speciesâpaleoanthropologists have uncovered remains from more than 300 individuals ! Found between 3.85 and 2.95 million years ago in Eastern Africa ( Ethiopia , Kenya , Tanzania ) , this species survived for more than 900,000 years , which is over four times as long ...
Contact dermatitis is a rash on the skin that can be itchy, painful, tender swollen and even blistered. Cradle cap is common for infants and causes thick, itchy, crusty, yellow or brown scales on the scalp. Symptoms of dry skin include scaly, rough, itchy, flakey, cracked skin, as well as chapped or cracked lips. Dandruff is a common condition that causes itching and flaking of skin on your scalp. A drug allergy is an allergic reaction to a medication and can cause a rapid heartbeat and difficulty breathing.
It is caused by a fungus and not by a worm, as the name suggests. Another common form of scalp fungus is Pityrosporum ovale. The P. ovale fungus is normally present in small amounts on our scalp, but when the fungus experiences overgrowth, it causes the dry, itchy flaking we commonly refer to as dandruff. Symptoms Symptoms of a scalp fungus can vary from reddened, itching, painful circular patches to excessive dry, itching, flaking all over the scalp.