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Although fewer females than males are born (the ratio is around 1:1.05), because of a longer life expectancy there are only 81 men aged 60 or over for every 100 women of the same age. Women typically have a longer life expectancy than men.[28] This is due to a combination of factors: genetics (redundant and varied genes present on sex chromosomes in women); sociology (such as the fact that women are not expected in most modern nations to perform military service); health-impacting choices (such as suicide or the use of cigarettes, and alcohol); the presence of the female hormone estrogen, which has a cardioprotective effect in premenopausal women; and the effect of high levels of androgens in men. Out of the total human population in 2015, there were 101.8 men for every 100 women.[29]
Cancer, a very common and sometimes fatal cause of unexplained (idiopathic) weight loss. About one-third of unintentional weight loss cases are secondary to malignancy. Cancers to suspect in patients with unexplained weight loss include gastrointestinal, prostate, hepatobiliary (hepatocellular carcinoma, pancreatic cancer), ovarian, hematologic or lung malignancies.
It’s easy to see the front of a package and get lured in by misleading claims, particularly those that say they’re “free-from” something, says Taub-Dix. She points out that gluten-free foods may also be high in sugar, salt, calories, and fat and contain less fiber—and thus be weight-promoting. Reading the nutrition label will give you the real truth for what you’re buying.

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