The notion of physical fitness is used in two close meanings.

General fitness

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In its most general meaning, physical fitness is a general state of good physical health. A physically handicapped person's body may be physically fit (healthy), though their ability is likely to be less than optimum.

Physical fitness is a result of regular physical activity, proper diet and nutrition, and proper rest for physical recovery within the parameters allowed by the genome.

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Men's health News From Medical News Today

Penn Researchers Find Reproductive Germ Cells Survive And Thrive In Transplants, Even Among Species
Tue, 15 Dec 2009 04:00:00 -0800
Reproductive researchers from the University of Pennsylvania and The Children's Hospital of Philadelphia have succeeded in isolating and transplanting pure populations of the immature cells that enable male reproduction in two species - human spermatogonia and mouse gonocytes...
Amount Of Gene Surplus Determines Severity Of Mental Retardation In Males
Fri, 11 Dec 2009 04:00:00 -0800
Researchers have discovered a new explanation for differences in the severity of mental illness in males. The more excess copies of a certain gene, the more serious the handicap. The genetic defect is situated on the X-chromosome; and it is suspected that it is the amount of copies of the GDI1 gene that is responsible...
During Prostate Surgery, A Little 'Sugar' Helps Avoid Low 'Salt' Levels
Thu, 10 Dec 2009 03:00:00 -0800
In men undergoing prostate surgery, excessive fluid absorption can lead to dangerously low sodium levels...

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