Under is an approximation of this video’s audio content material. To see any graphs, charts, graphics, photographs, and quotes to which Dr. Greger could also be referring, watch the above video.
Teas—whether or not white tea, inexperienced tea, oolong, or black—are all created from the tea plant, Camellia sinensis. That’s totally different from natural tea, which is outlined as pouring sizzling water over any plant on the planet, apart from this explicit plant.
There are at the very least 287,655 various kinds of vegetation that we all know of on this planet. Why is that this one plant the most well-liked beverage on the planet? It’s not the caffeine; the espresso plant has extra caffeine, however extra folks drink tea than espresso. It’s in all probability not the style; most individuals would in all probability desire peppermint or a few of the fruity berry teas to be higher tasting. It’s a fairly sufficient plant, however why will we drink actually billions of cups a day of this explicit plant?
It turns on the market’s one thing on this plant that’s discovered concentrated in solely two locations in nature—within the tea plant, and in an odd mushroom referred to as the bay bolete, which has these little holes as a substitute of gills. Scientists figured this one won’t pair as effectively with crumpets, so that they referred to as the compound theanine. What does it try this’s acquired billions of individuals hooked on it? We weren’t fairly positive, till we hooked folks as much as an EEG.
An electroencephalogram measures the exercise of our mind waves, that are break up into 4 main bandwidths: now we have delta waves, theta waves, alpha waves, and beta waves. Delta waves, the place mainly our mind is electrically pulsing very slowly at about one wave per second, are seen primarily in deep sleep. Then there are theta waves—at about 5 cycles per second—sometimes seen after we’re drowsy or in early sleep.
The 2 waking states are alpha and beta. We now have alpha mind waves after we’re relaxed, conscious, attentive, like after we shut our eyes and meditate. And beta waves are extra after we’re stimulated with elevated alertness, in a hustle-and-bustle state the place most of us stay our lives. How can we get extra in that alpha state—that wakeful rest—totally alert and targeted however calm?
Nicely, if we chill out in a pleasant peaceable place, after about 90 minutes we are able to begin to see some important alpha exercise, which is that this yellow and crimson. Now, training meditators, like Buddhist monks, can obtain this state earlier, and even preserve alpha exercise with their eyes open. And the deeper the meditation, the upper the alpha waves. So, we are able to meditate for 30 years, or simply drink some tea.
This was the alpha wave exercise within the management group after consuming plain water. What if as a substitute of water that they had the quantity of theanine present in one or two cups (240 to 480 ml) of tea? Look carefully, examine, and see when you can detect a distinction. That’s the reason folks drink tea from the tea plant.
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