Doctor insights on:
Too Much Vitamin B12 Bad For You
Not usually: When I read "eat too much vitamin b12", I assume you're referring to foods containing b12? Generally speaking, when people talk about B12, they are referring to supplemental vitamin b12. It is generally accepted that high doses of B12 does not pose any dangers, partly because it's a water soluble vitamin. ...Read more
B 12/ insomnia: A recent study of people taking B12 reported that 2.91% reported insomnia. It is hard to say if the vitamin itself caused this but it does happen in a significant amount of people taking b 12 supplements. It should be easy to tell. If you take time off from the medication (2 to 4 weeks) you should be able to see if it is linked. ...Read moreSee 1 more doctor answer
Yes: Water-soluble vitamins (b, c) being water soluble are easily eliminated from the body if excess is consumed. Fat-soluble vitamins (d, a, k, e) aren't as quickly eliminated from the body, but rather are stored in fat tissues and in various organs throughout the body. So toxicity can occur. See chart. ...Read more
I'm taking prenatal vitamins and i'm worried about taking in too much iron as an anmeic. How much is too much?
Good question: You need to monitor your blood level of iron and ferritin. Also you may need to check a few other things such as serum folate (folic acid) and b12. The size and hemaglobin concentration on the basic CBC blood test is a start. If you have a low rbc count and your rbc size is small (low mcv) you may have iron deficiency. If the red cells are larger than normal think low folate (folic acid) or low b12. ...Read more
Yes: Just as too little sleep is bad for you, too much sleep can be bad for you as well. At your age 9 1/4 hours of sleep are recommended. I am including a link you may be interested in: sleep for teenagers - national sleep foundation www.Sleepfoundation.Org/article/sleep-topics/teens-and-sleep?. ...Read more
How much is too much: In reality, there's no such thing as too much sex (so says a male physician), unless engaging in consensual sexual activity puts you at risk for sexually transmitted diseases/infections or unwanted pregnancy, or negatively impacts your relationships w/family & friends or your work performance. So if family, friends & work are good, then knock boots as often as you & your monogamous partner desire ...Read moreSee 1 more doctor answer
Can be toxic: Fat soluble vitamins can be toxic when overdosed. That includes a, e, d, and k. Overdose can cause problems with skin, hair, bones, liver function, and blood pressure in the brain. Hair can fall out, headaches can occur, and if pregnant, toxicity can case birth defects in the infant. Be very carefully with all fat soluble vitamins. If you have concerns about your levels, talk to your doctor. ...Read more
Absolutely!: Very rarely water, just like any other substance, can be considered a poison when over-consumed in a short period of time. Water intoxication mostly occurs when water is being consumed in a high quantity without giving the body the proper nutrients it needs to be healthy. It may adversely affect the brain due to an electrolyte imbalance. It is, however, considered the least toxic chemical. ...Read more
Depends : Occassionally people with psychotic polydipsia and SIADH can drink to much water and will have electrolyte abnormalities that may require restriction. Most of the time it is hard to drink excess water body hemostasis will regulate taste. ...Read more
Several reasons: The processed chemicals/food stuffs in "junk" food is less than optimal for your body to be exposed to and could have harmful long term effects. But more so, "junk" food tends to be calorically dense but nutritionally "light" .. .so you get all the calories with limited micronutrient benefits. That's a recipe for gaining weight without gaining health! ...Read more
Doubt it: Much of the Japanese food culture is based on tofu/soy and fish. It has thrived for thousands of years with no problems.There are occasional studies that warn men that the estrogen like property of some soy proteins may make them less fertile, but that doesn't seem to hamper those cultures where it is consumed daily. ...Read moreSee 1 more doctor answer
It can be: Eating too much of anything can be a bad thing. As an extreme people have died from water poisoning from drinking too much water. If you eat so much salmon that you are excluding other important nutrients and foods in your diet than it may be too much. If you are healthy and fit and have a balanced diet it may be ok. Honestly ask someone you trust, if they think you are eating too much. ...Read more
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