what are the long term effects of coffee?

Question

other than keep you awake, stain your teeth and make your nerves crazy, are there anymore long term effects of coffee?

Answer 1

Many notable effects of coffee are related to its caffeine content. Amongst other known negative health associations it is not clear whether these are due to the caffeine or other unidentified compounds (suggesting that these may be modified by switching to decaffeinated coffee).
Anxiety and sleep
Many coffee drinkers are familiar with "coffee jitters", a nervous condition that occurs when one has had too much caffeine. It can also cause anxiety and irritability, in some with excessive coffee consumption, and some as a withdrawal symptom. Coffee can also cause insomnia in some, while paradoxically it helps a few sleep more soundly.
Cosmetic
Like tea, coffee also causes staining of the teeth. The best way to avoid this is to brush after every cup of coffee.
Blood pressure
A recent study by Harvard Med that set out to prove that the caffeine in coffee would put people at risk for high blood pressure ended up rejecting the theory. 155,000 nurses were followed for 12 years and the results showed that large amounts of coffee did not induce a "risky rise in blood pressure". As a note, this study did not include men.
Pregnancy and menopause
A February 2003 Danish study of 18,478 women linked heavy coffee consumption during pregnancy to significantly increased risk of stillbirths (but no significantly increased risk of infant death in the first year). "The results seem to indicate a threshold effect around four to seven cups per day," the study reported. Those who drank eight or more cups a day (64 U.S. fl oz or 1.89 L) were at 220% increased risk compared with nondrinkers. This study has not yet been repeated, but has caused some doctors to caution against excessive coffee consumption during pregnancy.
There are also gender-specific effects: in some PMS sufferers it increases the symptoms; it can reduce fertility in women; it may increase the risk of osteoporosis in postmenopausal women; and there may be risks to a fetus if a pregnant woman drinks 8 or more cups a day (48 U.S. fl oz or 1.4 L or more).
Decaffeinated coffee is occasionally regarded as a potential health risk to pregnant women, due to the high incidence of chemical solvents used to extract the caffeine. These concerns have almost no basis, however, as the solvents in question evaporate at 80–90 °C, and coffee beans are decaffeinated before roasting, which occurs at approximately 200 °C. As such, these chemicals, namely trichloroethane and methylene chloride, are present in trace amounts at most, and neither pose a significant threat to unborn children. Women still worried about chemical solvents in decaffeinated coffee should opt for beans which use the Swiss water process, where no chemicals other than water are used.
Coronary artery disease
A 2004 study tried to discover why the beneficial and detrimental effects of coffee conflict. The study concluded that consumption of coffee is associated with significant elevations in biochemical markers of inflammation. This is a detrimental effect of coffee on the cardiovascular system, which may explain why coffee has so far only been shown to help the heart at levels of four cups (20 fl oz or 600 mL) or fewer per day.
The health risks of decaffeinated coffee have been studied, with varying results. One variable is the type of decaffeination process used; while some involve the use of organic solvents which may leave residual traces, others rely on steam.
A study has shown that cafestol, a substance which is present in boiled coffee drinks, dramatically increases cholesterol levels, especially in women. Filtered coffee contains only trace amounts of cafestol.
Polymorphisms in the CYP1A2 gene may lead to a slower metabolism of caffeine. In patients with a slow version of the enzyme the risk for myocardial infarction is increased by a third (2-3 cups) to two thirds (>4 cups). The risk was more marked in younger people.
A Harvard study over 20 years of 128,000 people published in 2006 concluded that there was no evidence to support the claim that coffee consumption itself increases the risk of coronary heart disease. The study did, however, show a correlation between heavy consumption of coffee and higher degrees of exposure to other coronary heart disease risk factors such as smoking, greater alcohol consumption, and lack of physical exercise. The results apply only to coffee filtered through paper filters, which excludes boiled coffee and espresso, for example. Additionally, the lead researcher on this study acknowledged that subsets of the larger group may be at risk for heart attack when drinking multiple cups of coffee a day due to genetic differences in metabolizing caffeine.
The Iowa Women's Health Study showed that women who consumed coffee actually had less cardiovascular disease incidents and lower cancer rates than the general population. For women who drank 6 or more cups, the benefit was even greater. However, this study excluded 35% of its original participants who already had cardiovascular disease and other chronic diseases when the study began. Since participants were all over the age of 55, no good conclusion can be drawn about the long term effect of coffee drinking on heart disease from this study.

Answer 2

Coffee has been shown to help reduce the onset of debilitating old age diseases like Parkinson's (and Alzheimer's, I believe). Also has been identified as a source of cancer retardent anti-oxidants.

Also, it doesn't have any lasting impact that "make(s) your nerves crazy".

Cheers and have a cup of Joe on me.

Answer 3

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Premature ejaculation is not some gene you're born with, the result of your penis size or a part of your personality that you can never change.

Answer 4

Coffee makes some suffer a lack of sleep while others sleep soundly.

Answer 5

There are not alot of bad ones out there. Just look and see for yourself. In fact it is helped keep alot of things the same or better for some people, health wise.

Answer 6

18 months ago I visited the doctor with heart palpitations...he told me to stop drinking coffee, I thought he was mad but took the advice anyway and have not had any trouble since...maybe he did know what he was talking about.

Answer 7

drains d calcium frm ur body

Answer 8

weaken your immune system and stunt growth

Answer 9

Sterility, addiction, premature ejaculation, penis shrinking, dizziness and death.

Answer 10

headaches, jitters and dependency