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Tuesday, 24 May 2011

Coffee, Research, Cancer!! Health! Whatever Just sip it!!!

                                                
 
COFFEE: TO DRINK OR NOT TO DRINK
Cons
Coffee is a central nervous system stimulator that gives the adrenals a kick and causes production of the stress handling hormone adrenalin and the production of more cortisol resulting in short term benefits of heightened awareness / alertness and more energy, but long term may result in a crash after each consumption to lower levels of energy than previously thereby necessitating another cup and another cup, etc. Thus, it may be addictive and ultimately may result in adrenal exhaustion.
•Even though coffee has never been conclusively linked to cancer, it does contain acknowledged carcinogens such as caffeine and other chemicals produced by the high heat of roasting such as creosote, pymdine, tars, and polycyclic aromatic hydrocarbons.
• Caffeine interferes with adenosine, a brain chemical that normally has a calming effect.
• Cortisol levels are raised which in turn results in constriction of the blood vessels, harder pumping of the heart and higher blood pressure. (Constriction of blood vessels is also a benefit, see the next section.)
• The liver in fetuses and newborns cannot metabolize caffeine, so it remains in the body for up to four days stimulating the nervous system resulting in irritability and sleeplessness.
• Coffee has been associated with low birth weight, birth defects, miscarriages, premature birth, inability to conceive, and sluggish sperm.
• Many of the chemicals in coffee and decaf irritate the stomach lining causing an increase of stomach acid leading to digestive disorders.
• Coffee, including decaf, has high amounts of vitamin K, which affects coagulability of the blood – bad for people at risk of heart attack, stroke and blood clots.
• Decreases quality of sleep.
• Caffeine may cause problems with blood sugar control after meals for type 2 diabetics.
• Coffee excites more rapid peristaltic movements of the intestines resulting in shorted transit times and less absorption of nutrients.
• Coffee hampers the absorption of essential minerals and vitamins such as magnesium, zinc, iron, potassium, and B’s.
• Coffee contributes to caries in the teeth.
• Coffee stimulates more frequent urination and subsequent loss of various vitamins and minerals such as B, C, calcium, iron and zinc.
• Caffeine may aggravate osteoporosis by leaching calcium from the bones.
• Caffeine may increase intraocular pressure in persons with glaucoma.
• Coffee may interfere with proper levels of homocysteine and cholesterol by inhibiting vitamins folate, B12 or B6.
• Coffee is one of most heavily pesticide sprayed crops.
• Caffeine aggravates stress in people who drink it every day.

Pros
• There are scientific studies that refute most if not all of the above listed negative effects.
• Many of the old studies showing the bad effects of coffee may be attributed to not taking into account whether the person also smoked. In addition, coffee drinkers before 1975 used unfiltered and percolated coffee. After 1975, the filters for preparing coffee removed most of the chemicals, like terpenes, that cause elevations in homocysteine and cholesterol resulting in better results. Also, early Finnish studies when people still drank boiled coffee had higher risk of rheumatoid arthritis. Later studies using coffee preparations other than boiled did not show an associated rheumatoid arthritis risk.
• Caffeine increases intellectual activity when fatigued or bored.
• Caffeine speeds up fat metabolism during exercise while conserving glycogen and glucose thereby maintaining brain activity and reducing hunger.
• Caffeine prevents crystallization of cholesterol and reduces risk of development of gallstones.
• Coffee has a protective effect against cirrhosis of the liver.
• Coffee has shown a protective effect against colon cancer likely due to enhanced colonic activity of the colon and antimutagenic components in coffee.
• Coffee may lower the incidence of Parkinson’s disease due to high anti-oxidant activity.
• The theophylline in coffee may be protective against asthma.
• Coffee has four times the anti-oxidants of Green Tea, makes an excellent anti-depressant, and enhances performance and memory.
• Caffeine dilates the arteries of the brain and may counter migraines. (Caffeine is also a cause of migraines.)
• The FDA considers caffeine to be “Generally Recognized as Safe.”
• Coffee may reduce the incidence of kidney stones by increasing the flow of urine and decreasing its concentration.
• Coffee lessens the incidence of bladder cancer in smokers due to its diuretic effect.
• Minerals like magnesium and antioxidants may contribute to coffee being shown to reduce the risk of type 2 diabetes.
• Coffee has the ability to reduce the release of histamine from mast cells thereby having anti-allergic properties. 

God!! Should i stop drinking coffee now or should drink more coffee!! Forget all science...just sip it.