Let’s configure the expire-after-access strategy using the expireAfterAccess method: LoadingCache cache = Caffeine. Present in tea, coffee, energy drinks, Coca Cola and even chocolate, the substance is the planet's most popular psychoactive drug. Coffee is a beloved beverage known for its ability to fine-tune your focus and boost your energy levels. However, the impact will vary according to the amount consumed, the individual’s size, sex, and sensitivity to the effects, and any medications or supplements they may be taking. Caffeine has also been shown to reduce swelling around the eyes although this use is usually via a gel formula of caffeine.

Caffeine can also be removed using carbon dioxide or a charcoal filter — a method known as the Swiss Water Process. A study published in Diabetes Care in 2004 linked a high coffee consumption over a period of 4 weeks with increased fasting insulin concentrations. Acts as a diuretic, which means that it will make your body get rid of more water and salt; this is why you often need to pee more when drinking caffeinated beverages like coffee and tea.

If you're happy with the fact that you drink 5 cans of soda a day, or more, and you'd just like a different way to imbibe – this might be your next key to keeping up throughout your day. You will probably feel tired when you stop consuming caffeine, so help combat this by getting at least 7 to 9 hours a night. Consuming caffeine, even six hours before bedtime, has been shown to disrupt sleep," says Mark Winwood, AXA PPP Healthcare's director of psychological services.

Try to get a good amount of quality sleep after giving up caffeine to counter fatigue that you may experience," she says. Most of the time, caffeine consumed from natural sources like tea and coffee is fine for your health, when consumed in normal amounts. While I don't see much reason to giving up coffee altogether, I am certainly considering swapping cups 3 and 4 for decaf. No evidence of dehydration with moderate daily coffee intake: A counterbalanced cross-over study in a free-living population.However, caffeine itself has also been linked to a reduced risk of dementia and neurodegenerative diseases ( 25, 26, 27, 28). Joule has roughly the same caffeine content as a cup of coffee but administered over 4 hours so the amount being taken up by your blood stream will not be a shock to your system any means if you already enjoy caffeine regularly. The WeakRefence usage allows garbage-collection of objects when there are not any strong references to the object. Instead of giving up caffeine completely, some people find it easier to switch to lower-caffeine varieties of tea and coffee or choose drinks with lower caffeine content," says Hyams.