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.
It's difficult to overdose on vitamin B, since B vitamins are water soluble and therefore, excess B is excreted through your urine. That said, you can still take too much and suffer symptoms of overdose.f you are taking a B supplement or are concerned that you getting too much, then you should know all there is to know about this important vitamin and how it interacts with your body. There are so many B vitamins that it can be confusing to keep track of them; there are over 20 when all is said and done.