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But this may affect your hearing, according to Dr Kewal Krishan, an anthropologist at Panjab University, Chandigarh, India.He suggests there are two types of tiny sensory hairs which help transmit sound signals to the brain.As boys and girls go through puberty, some of the light, unpigmented hair on their bodies - called vellus hair - becomes thicker and darker, under the influence of hormones such as testosterone and its derivative dihydrotestosterone, becoming what is known as terminal hair.So when a man has a good smattering of chest hair it could be a sign that he has healthy levels of testosterone, says Nida Chammas, a consultant endocrinologist at BMI The Clementine Churchill Hospital, Harrow."The only factor that can account for the irreversible and nearly uniform emergence of agriculture throughout the world is the grown of populations beyond the size that hunting and gathering would support." Mark Cohen's Thesis.[Heiser 1990] 7000 BCE People in Central America cultivate corn and other crops.Now, experts have revealed the various ways in which being hairy may be good for us - despite our constant attempts to remove it Unsightly as they may be, hairs in the nostrils do have a role - to prevent foreign material, such as dust, getting in to the nose and lungs, says George Murty, an ear, nose and throat consultant at University Hospitals of Leicester.If you want to defuzz your nostrils, trimming might be better to plucking, particularly if you have a cold, adds Mr Murty.
Eyelashes, too, are important for keeping dust out of eyes, as well as helping them stay moist.A close acquaintance with cultivated plants and with the multitude of types and their differentiation into geographical groups as well as their frequently sharp physiological isolation from each other compel us to refer the very origin of cultivated plants to such remote epochs, where periods of 5-10,000 years such as concern archeologists represent but a brief moment." - N. In about 8000 BC in the Fertile Crescent of the Near and Middle East (present-day Syria, Iran, Iraq, Turkey, Jordan, Israel), wheats, barley, lentil, pea, bitter vetch, chick-pea, and possibly faba bean, were brought into cultivation by the Neolithic people. Archaeological evidence indicates that the wheats, and some of the legumes, had reached Greece by 6000 BC and evidence of their presence within that millennium has been found in the Danube Basin, the Nile valley, and the Indian subcontinent (Pakistan).Dispersal continued throughout Europe, the crops reaching Britain and Scandinavia in 4,000-2,000 BC." - [Vaughan 1997] "The first evidence for plant domestication is approximately10,000 years old, but the first society in which people were primarily dependent on domesticated crops and livestock does not appear until about 6,000 years ago." Khabur Basin farming in Syria.'If you get a blockage in the circulation in the legs, it means less oxygen will reach the bottom of the leg - far away from the heart - so the hair follicles there will suffer the most.'Hairs in the outer portion of the ear canal prevent dust and other particles from entering the ear.However, excess hair in the ears may collect wax, which can block the ear canal and hamper hearing - so if you are prone to build-ups of ear wax you may want to consider trimming these hairs.