Motion sickness, although viewed as a sickness, is in actuality a psychophysiological response to motion. The most common cause of motion sickness is the mismatch between the vestibular and visual systems. An increase in ...

Natural oils are regularly used in cosmetics and as treatment for numeral skin conditions (Nielsen, 2006:575). The natural products industry is a multibillion dollar industry and has grown tremendously over the past few ...

Acne is an extremely common condition, affecting almost 80% of adolescents and young adults. It is an inflammatory disease, characterised by comedones, papules, pustules and sometimes cysts. Factors causing acne include ...