Introduction There is an upper limit to the oxygen consumed during exercise requiring maximal effort. The upper limit is defined as maximal oxygen uptake (VO2max). "The maximum rate at which an individual can take up and utilize oxygen while breathing air at sea level." Astrand & Rodahl, 1986). ...
Tache et al (1979) found the incidence of cancer to be higher in those with poor "social support network" such as the widowed, divorced or separated. ... Shift work - Czeisler et al. (1982) found shift work correlated with raised accident rates, absenteeism and chronic feelings of ill health. ...
According to a recent study published in Journal of Women's Health, "Although depression is an established independent predictor of CVD events, these results offer an alternative perspective regarding the mechanisms by which depression may affect the development or course of CVD, implying that a second pathway may be via influencing the event risk associated with risk factors for CVD" (Rutledge et al., 2012). ... Barriers accounting for the poorer performance among minorities include lower health literacy, years of education, recent emigration, and socioeconomic status" (Gi...
CONCLUTION According to (Collins et- senior-Boyle , p,181)The human heart beats over 100, 000 times a day, creating the pressure to force blood through more than 80,000 kilometres of veins, arteries, capillaries. ... According to (Collins et-al-senior-boyle,p183, 1997) The sequence of events in a single heart beat is known as the cardiac cycle. ...
In 1945, Pace et al published their first paper called "The Effect of Transfusions of Red Blood Cells on the Hypoxia Tolerance of Normal Men" which was followed by another in 1947, "The increase in Hypoxia Tolerance of Normal Men Accompanying the Polycythemia Induced by Transfusion. ...
