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.
An itchy scalp without any flaking can have several possible causes. Photo Credit Jupiterimages/Comstock/Getty Images. Itching and flaking are common symptoms of dandruff, a skin condition that develops on the scalp in many individuals. This is often very easy to identify, but if you experience itching without any flaking of the skin, the cause may not be as easy to determine.