Brain tumor research is a relatively modern science that parallels the explosion of molecular biology and modern neuroimaging. While the science is new, Mayo Clinic has a long history of brain cancer treatment and research stretching back over 100 years.
But not all vitamins are water-soluble, and the ones that are lipid-soluble, meaning they like to hang around in your body's fat, don't get flushed out. Instead, if you take too much of a lipid-soluble vitamin over a few weeks to a month, they sit in the liver and can build up to toxic levels, causing problems ranging from weak bones to liver damage, according to Katherine Zeratsky, a registered dietician nutritionist at the Mayo Clinic.
The good news is that most people get enough vitamin D, according to the Institute of Medicine (IOM). However, if you don't spend enough time in the sun or if your body has trouble absorbing the vitamin, you may not get enough.Here are 12 ways to ensure adequate intake.Next: Sunlight.Stay fit, feel younger, and get special offers and insider health newsfrom beauty to breast cancerjust for women.owever, if you don't spend enough time in the sun or if your body has trouble absorbing the vitamin, you may not get enough. Here are 12 ways to ensure adequate intake.