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Caffeine and Osteoporosis (Calcium loss)
From the Journal of AMA: (JAMA, 26 Jan. 1994, p. 280-3.)
"There was a significant association between (drinking
more) caffeinated coffee and decreasing bone mineral density at
both the hip and the spine, independent of age, obesity, years
since menopause, and the use of tobacco, estrogen, alcohol,
thiazides, and calcium supplements [in women]."
Except when:
"Bone density did not vary [...] in women who reported
drinking at least one glass of milk per day during most of their
adult lives."
That is, if you drink a glass of milk a day, there is no need
to worry about the caffeine related loss of calcium.
Comments
Bad for bones
This is one of the main reasons why I have given up caffeine - caffeinated soft drinks - and all women should steer clear of them/reduce them,especially when you get older
I know I have big problems
I know I have big problems with calcium loss even from my childhood. The problem is I can't stand lactate food, although I know very well that I need it, I keep avoiding it. I hear that norvasc generic is quite good for that, I think I am gonna try it.
Caffeine and Calcium
*independent of age, obesity, years
since menopause, and the use of tobacco, estrogen, alcohol,"
It would seem this study claims that any of the above mentioned factors should not be taken into consideration when looking at the impact of caffeine on calcium.
Perhaps I misunderstand the meaning of "independent of."
The fact is most studies done prior to 2000 (this study was published in 1994) ignored these factors as being unimportant, which allowed coffee drinkers to be lumped together with smokers and users of alcohol in looking at the effects of caffeine.
Quote from a study done in 2001. Note the slim margin of women affected, and that it required a rare genetic factor to be present for any significant reduction in bone loss.
"a caffeine intake of more than 300 mg/day was associated with a higher rate of bone loss at most of the skeletal sites in the spine, although the difference was only significant in subjects carrying the homozygous tt genotype of VDR. Women in the high caffeine category with the tt genotype lost bone density over 3years, compared with no change in bone density the tt women in the low caffeine group.
Though the number of women with the tt genotype was relatively small (6 in the low caffeine group and 5 in the high caffeine group), these findings identify caffeine as a dietary factor, which can alter one's genetic predisposition toward osteoporosis. An editorial by Massey stresses that moderate caffeine ingestion-less than 16 ounces of brewed coffee per day or 32 ounces of brewed tea-is not associated with increased bone loss. Until it is practical to determine each person's VDR genotype, physicians should recommend both adequate dietary calcium and moderate caffeine consumption for their elderly patients. "
Copied from Science Daily. Link below.
http://www.sciencedaily.com/releases/2001/10/011024073604.htm
calicum/caffein
If a person drinks one glass a milk a day or take a calicum
supplement keep the caffein from coffee deleting the calicum
in your body. I was told if you drink coffee you will lose calicum.
Delores
reply
I agree that coffee and calcium don't really get along but it doesn't mean that if you drink a cup of coffee now and then you are eliminating all the calcium from your body.
A multi vitamin certainly
A multi vitamin certainly helps I take one from GNC that has actually 1000x sometimes more of daily values of just about all the vitamins it's actually much higher in some then others like the B's. I drink coffee almost daily and don't have any problem with my calcium. I use splenda or equal rather then sugar, but i think the vitamins help and are something everyone should be taking to help prevent osteoporosis