cup of black tea and cup of green tea

Ingesting 3 cups of tea every day could decrease the danger of dementia

As we age, our concern for our reminiscence acuity grows. We have a look at nice dietary supplements and wholesome consuming methods to ease our worries and scale back our danger of dementia. Nonetheless, we could have to look no additional than our tea cabinets to discover a memory-enhancing remedy. A brand new examine discovered that ingesting three cups of tea a day correlates with a decrease danger of dementia.

A more in-depth have a look at the analysis

For the examine, which was revealed in Translational Psychiatry, researchers collected knowledge from 500,000 individuals who took half in a UK Biobank examine. (The UK Biobank is a biomedical database primarily based on volunteer medical and genetic info. Researchers all over the world use it to conduct their very own analysis.)

After cutting down the volunteers primarily based on sure standards, the researchers included knowledge from 377,592 individuals of their examine. Volunteers had been between the ages of 45 and 73 and agreed to follow-ups at 9 years. Anybody recognized with dementia firstly of the examine was excluded.

All volunteers accomplished a questionnaire asking, “What number of cups of tea do you drink per day?” and “what kind?” (inexperienced or black). Primarily based on this info, the researchers divided the volunteers into six classes, starting from those that drank no tea to those that drank 9 or extra cups a day.

After analyzing the well being of the volunteers 9 years later, the researchers discovered that tea drinkers had been 16 % much less more likely to develop dementia than non-drinkers. Those that drank three to 4 cups a day had the bottom danger.

Nonetheless, not each tea drinker reaped the advantages. Those that drank an excessive amount of — six cups or extra a day — had the same danger of dementia because the non-drinkers. (All the pieces carefully!)

Why can tea scale back your danger of dementia?

The researchers theorize that black and inexperienced tea include antioxidants, which can scale back the quantity of oxidative stress within the mind. (Oxidative stress is an imbalance of free radicals and antioxidants in your physique. Too many free radicals could cause extreme cell injury.) Antioxidants can scale back irritation within the mind (neuroinflammation), and a rising physique of analysis means that irritation performs a task in improvement of dementia.

Additionally, the researchers consider that caffeine does extra than simply “get up the mind.” It may possibly shield in opposition to one thing referred to as neural ischemic harm — or injury to cells attributable to low blood circulation. In different phrases, caffeine might help promote circulation within the mind, which promotes wholesome reminiscence perform.

In fact, the examine was not with out limitations. As a result of the volunteers self-reported their tea consumption, the accuracy of their solutions was in query. Additionally, a cup of tea was loosely outlined – one volunteer may need seen a cup as an enormous mug, whereas one other may need seen it as a teacup, for instance.

Nonetheless, the outcomes are spectacular, and ingesting tea extra typically has its advantages! It is simple to seek out scrumptious methods to decorate it up – from including candy coconut milk to your inexperienced tea to creating iced black tea with milk and honey. (You’ll want to test along with your physician earlier than including caffeinated tea to your weight-reduction plan, particularly when you’re taking drugs for bronchial asthma, seizures, or diabetes. See a full record of caffeine interactions right here.)

And when you’re in search of different straightforward methods to cut back your danger of dementia, try the following pointers.

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