7-Dehydrocholesterol has significant absorption of UV light at the lowest wavelengths of light found in sunlight (290-310 nm). Hence the need for full-spectrum lamps to emit UV-B radiation (UV-B light is defined here to be light between 290-315 NM).
In rare cases some vegans might not get enough fat or calories to produce adequate amounts of steroid hormones (which are produced from cholesterol). Two studies have shown vegans to have sex hormones on par with meat-eaters (1, 2), but one report showed vegan women to have lower levels of estrogen (3).
But youâd also be an unhealthy idiot. If you eat a HEALTHY vegan diet which is balanced including lots of grains, legumes and leafy greens, youâre going to be really healthy. Itâs a fact. It sounds like you were the type of vegan who stuck to potatoes and Oreos though.A vegan diet is not healthy because of the lack of fats.â Last time I checked, consuming animal fat isnât healthy. With the availability of anything anytime in this day in age, getting these healthy vegan fats incorporated in oneâs diet is extremely easy.