Coffee — you should be drinking more — maybe

Credit: Inhabitat

Coffee has lots of benefits:

http://www.inc.com/peter-economy/coffee-5-surprising-reasons-why-you-should-be-drinking-more-of-it.html

Or … maybe not:

http://www.inc.com/travis-bradberry/caffeine-the-silent-killer-of-success.html

Which brings us to the real problem with coffee — lack of good, authoritative, consistent information. / improved improving improve performance cut down on caffeine coffee drinker ability manage your emotions remain calm under pressure direct link performance research top performers emotional intelligence skilled managing emotions high stress remain calm and in control good feel more alert improve mood studies study research caffeine improves cognitive task performance memory attention span short-term participants caffeine habits new research Johns Hopkins Medical School performance increases caffeine intake short-term reversal caffeine withdrawal control controlling caffeine caffeine-related performance improvement nonexistent caffeine withdrawal coming off caffeine reduces reduce reduced cognitive performance negative impact mood back to normal new heights performance back to normal adrenaline triggers release adrenaline fight-or-flight response survival mechanism rational thinking emotions overrun behavior irritability anxiety emotional effects caffeine negative effects increase increased raise blood pressure stimulate the heart rapid shallow breathing deprives deprive brain oxygen thinking calm rational ugly sleep brain memories storing discarding dreams wake up alert clear-headed self-control focus memory information-processing speed sleep feeling rested brain cycles reduce reducing caffeine intake caffeine six-hour half-life caffeine negative effects increasing makes it harder to fall asleep caffeine disrupts quality sleep reducing rapid eye movement REM sleep withdrawal stimulant physiologically psychologically addictive lower caffeine intake guidance qualified medical professional researchers Johns headache fatigue sleepiness difficulty concentrating slowly taper espresso stimulating improving memory cancer Alzheimer's extending life longevity negative stress sleeplessness good news Dietary Guidelines Advisory Committee academics scientists advise U.S. government agencies Food and Drug Administration FDA Department of Agriculture good for you drink between 3 5 cups full benefits Dutch long-term health risks reduces risk of heart disease lower heart stroke risk factors arrhythmias type 2 diabetes sugar protect against Parkinson's disease study 40 percent lower risk healthy diet brew /