2. MAIN CONTENT
2.1 The physical development and the health of the young adulthood
Physical development
According to Zastrow, C. (2010). Hands and fingers decreases after mid-30s, muscular strength is attained between age 25 and 30 and begin gradual decline after age 30.Decreases in strength occur mostly in the leg and back muscles and weakling muscles occurs in the arm.
The speed for performance is reached at the age 30, eyesight and hearing is good at the age of 30. Health of young adulthood …show more content…
Wrinkles normally appear, the skin become dry and loose some of its elasticity. Males develop a “tire” around their waist and breasts of women may decrease in size. Grey hair coarsened the skin and grows feet are considered attractive in men, they are viewed as a signs of distinction, experience and mastery yet the same physical changes in women.
Causes of HIV/AIDS and how it is contracted
HIV/Aids it is caused by the type of a virus called HIV in abbreviation: Human immune deficiency virus. A virus is a protein –coated package of genes that involves a healthy body cell, causing the cell to reproduce the virus in the process and the involved cell is killed. HIV falls within a special category of viruses called retrovirus, it is named because they reverse the usual order of reproduction within the cells they infect.
HIV invades cells involved in the body’s normal process of protecting itself from disease and causes these cells to reproduce more virus.HIV destroys normal white blood cells which are supposed to fight off the disease invading the body, as a result, the body is left defenceless and can fall prey to other infections. The virus devastate the body’s immune system of defence, so that other diseases occur and eventually can cause