How Does All That Coffee You Consume Really Affect Your Body

Veuer

The world consumes 2 billion cups of coffee a day, isn't it time we fully understand what it is we’re putting in our bodies? Veuer’s&nbsp;Maria Mercedes Galuppo has the story.

Transcript

00:00The world consumes 2 billion cups of coffee a day.

00:03Isn't it time we fully understand what it is we're putting in our bodies?

00:07The effects of coffee start even before you take a sip, reports The Guardian.

00:11One 2019 study found that inhaling its scent can improve memory and stimulate alertness.

00:18OK, now you take a sip, and your world is entirely better.

00:22Yes, the placebo effect.

00:24But caffeine won't kick in until around 45 minutes after that sip.

00:28Let's talk about caffeine.

00:30Simply put, it fools your nerve cells to prevent you from feeling sleepy or drowsy.

00:35After a cup of joe, you're now alerted, and dopamine is running wild.

00:39Phenomenal, right?

00:40Unless you overdo it, high doses can turn that mood boost into anxiety.

00:45Caffeine has a half-life of about 6 hours, so stopping its consumption around 2-3pm seems

00:50reasonable to wind down and go to bed.

00:53Of course, that doesn't mean you should go wild in the morning.

00:56Three coffees back-to-back in the morning can have you at around 1,000 to 1,500 milligrams

01:01of caffeine before lunchtime.

01:04The goal is no big ups and downs, a balance.

01:07Hopkins Medicine says you can't have too much of a good thing.

01:11That's when the jitters come in, the increased heart rate, high blood pressure, anxiety,

01:16and restlessness at night.

01:17According to the Mayo Clinic, most adults should drink no more than 400 milligrams of

01:21caffeine a day, roughly four cups of brewed coffee.

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