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High fat diet causes distinct aberrations in the testicular proteome

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TGF-ß Sma/Mab Signaling Mutations Uncouple Reproductive Aging from Somatic Aging

Female reproductive cessation is one of the earliest age-related declines humans experience, occurring in mid-adulthood. Similarly, Caenorhabditis elegans ' reproductive span is short relative to its total life span, with reproduction ceasing about a third into its 15—20 day adulthood. All of the known mutations and treatments that extend C. Our results suggest that longevity and reproductive span regulation can be uncoupled, although they appear to normally be linked through regulatory pathways. Female reproductive cessation is the earliest aging phenotype humans experience, and its importance as a clinical issue is growing as more women opt to have children later in life. While much work has been done to understand the general aging process, little is currently known about the regulation of reproductive aging. Like longevity, the ability to produce progeny with advanced age is likely to be genetically regulated.
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Semen Analysis

A semen analysis, also called a sperm count, measures the quantity and quality of a man's semen and sperm. Semen is the thick, white fluid released from the penis during a man's sexual climax orgasm. This release is called ejaculation. Semen contains sperm, the cells in a man that carry genetic material. When a sperm cell unites with an egg from a woman, it forms an embryo the first stage of an unborn baby's development.
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Thank you for visiting nature. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser or turn off compatibility mode in Internet Explorer. In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript. Diet has important effects on normal physiology and the potential deleterious effects of high fat diets and obesity on male reproductive health are being increasingly described.
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