Turns out young people are able to metabolize caffeine more â¦ If you are sensitive to caffeine or have sleep difficulties use caffeine cautiously. Close. If you don't feel that you are addicted to caffeine but may be consuming more than is healthy, you can choose to either reduce your caffeine intake or cut it out completely. However, in some people, it triggers an allergic reaction. Some people are sensitive to the anxiety-promoting effects of caffeine, while others are more sensitive to caffeine-induced insomnia or sleep disturbances. NOT decaf. High doses of caffeine can make it hard to fall asleep and stay asleep. (Thatâs about four 8-ounce cups of coffee.) Over the course of a lifetime, âyour tolerance will probably change depending on â¦ Some people are more sensitive to caffeine than others. Some people are more sensitive to caffeines effects on sleep quality than others. High doses of caffeine can make it hard to fall asleep and stay asleep. Caffeine is an alkaloid that stimulates the central nervous system. By Stacey Colino Contributor June 22, 2016, at 9:00 a.m. Some people are more sensitive to caffeine than are others. Chris Kresser, LAc recently made an excellent review of how coffee can be good or bad for you based on whether you are a fast or slow metabolizer of caffeine. So if youâre celebrating another milestone birthday or especially sensitive to caffeine, you might need to change up your A.M. ritual, and certainly avoid it later in the day. Genetics and natural metabolism speed can influence how quickly you proces caffeine. Some people do not metabolize caffeine as well as others. Older adults may be more sensitive to the effects of caffeine on calcium metabolism. Also probably related, I drank alcohol every other day (not heavy, 1-2 drinks) for this same time, and at the same time, suddenly became extremely sensitive to alcohol and had to quit drinking it. If youâre going to be sensitive to other peopleâs feelings, the best place to start is to become aware of your own. Most people can safely consume up to 400 milligrams of caffeine a day. General guidelines say that 4-5 cups of coffee per day is fine, but this may be far too much for some, with symptoms appearing even with the smallest amounts. So the more caffeine that a person has, the less sensitive the adenosine receptors become, building up a personâs tolerance for caffeine. Celery and lime can make you more susceptible to the sun; the same goes for certain perfumes and medications. More temporary factors also play a role. Is it normal to become more sensitive to caffeine as you get older? If you develop a skin rash from consuming caffeine, you may have a hypersensitivity, or allergy, to caffeine. Caffeine Sensitivity. Symptoms can include hives, swelling, and difficulty breathing. I cannot drink very much caffeine before feeling lightheaded and getting heart palpitations. The stimulant effects of caffeine can take hold at any age, but the depth of influence it has over your body can differ with age. Age: CYP1A2 activity tends to decrease with age, so older people â¦ 1 decade ago. If youâre sensitive to caffeine, even moderate amounts can cause insomnia (trouble sleeping), rapid heart rate, anxiety and feelings of restlessness. Use it regularly. Older adults may need to keep their consumption to earlier in the day. I still felt the effects quickly, and regretted it. Yes, if you are having a negative reaction to something, then you should stop using it. If you carry 1 or two "bad" copies of this gene, it will slow your ability to process your caffeine intake - and you may be more sensitive than someone else. If you are sensitive to caffeine, you may experience headaches, an upset stomach, irritability and an increase in heart rate. Become aware of your feelings. Plain and simple, caffeine is a drug, no matter what age or in what manner you ingest it. I may even have had a few minor anxiety attacks (not sure if it's related.) 1 drug, with 90 percent of American adults consuming caffeine on a daily basis, according to LiveScience.com. Some people are more sensitive to caffeineâs effects on sleep quality than others. Caffeine and Hot Flashes. Seniors often have sleep disorders due to medications, dementia, depression, and anxiety. I am ridiculously sensitive to caffeine. If you find you get restless / a racing heart then start with small doses at regular intervals and then increase the dose gradually over the course of a few days. Health and nutrition experts agree that consuming more than 600 mg of caffeine a day (equivalent of four to seven cups of coffee) is too much. share. It takes 5 to 6 hours for your body to eliminate just half the caffeine in a cup of coffee, which is why having a cup in the afternoon can affect your sleep. I just turned 38 years old and all of the sudden a cup of coffee makes me sweat and get nervous. Headaches brought on by caffeine-related issues are no fun to deal with it. People are affected by caffeine in different ways; some are much more sensitive than others and have to adjust their intake accordingly. Posted by 1 year ago. They may feel as if they've had five or six cups of espresso after drinking only a few sips of regular coffee. If you suspect that caffeine is causing problems, this can be tested by eliminating it â¦ I never used to get anxious or jittery drinking coffee for the 15+ years that I drank it but for some reason the last 3 months I have been super anxious when I consume coffee but not nearly as anxious when I donât. This article has been compiled from anecdotal evidence. Caffeine is present is some of the most popular drinks worldwide. It's true what Sanjay said, I learned that I am a slow caffeine metabolizer from 23andMe's health reports. Archived. I hate how it feels.