Below is an approximation of this video’s audio content material. To see any graphs, charts, graphics, pictures, and quotes to which Dr. Greger could also be referring, watch the above video.
An on-line survey of private mosquito-repellent methods unearthed all types of unusual stratagems, from chopping a tomato in half and leaving it subsequent to the mattress, to rubbing your self with cigarette butts soaked in alcohol. You might additionally soak your self in alcohol with a gin and tonic, minimize down on sugar, minimize out meat, or bananas. But what’s humorous is a few say keep away from bananas, some say eat bananas to stave off mosquitos, and others say topically rub them in your pores and skin. (I don’t even wish to find out about what else you may do with them).
Eat bananas? Avoid bananas? You don’t know, till you set it to the check. The affect of consumption of bananas on attraction of a malaria mosquito to people. Researchers in Wisconsin randomized topics to eat grapes or bananas earlier than testing what they then tasted wish to mosquitoes, and the ingestion of bananas was strongly related to an improve within the variety of mosquito contacts for hours after eating a banana––translating to about 11 further contacts after one hour and seven contacts after two hours. Meanwhile, the ingestion of grapes had no impact. Interestingly, it didn’t appear to matter what number of bananas you eat without delay, as eating three bananas didn’t seem to make individuals any tastier than eating one. Bottom line, after years of repeat experiments, they concluded that ingestion of bananas, however not grapes, resulted in considerably increased attraction of mosquitoes for hours after ingestion on common––although some individuals seemed to be resistant to the banana impact.
What about that gin and tonic? Some have advised alcohol will assist maintain the bugs away; others counsel we would endure extra mosquito bites after ingesting liquor. Well, there’s just one strategy to discover out. Drink some beer, and put your arm in a field with some mosquitoes. The title of the examine offers it away. Alcohol ingestion stimulates mosquito attraction. About 40 % of the mosquitoes landed on their arms earlier than consuming a bottle of beer, in comparison with about 50 % afterwards. And it didn’t seem to have something to do with modifications in sweat manufacturing or pores and skin temperature after the booze. It may simply be one thing you start exuding after you drink. And so, it’s additionally not simply since you acquired bit a bunch of instances since you like blacked out in an alley or one thing. The researchers concluded that because the % of mosquitos touchdown on volunteers considerably elevated after beer ingestion, consuming alcohol stimulates mosquito attraction. But it might simply be consuming beer, not essentially all alcohol. And they solely examined one species of mosquito: the one which transmits illnesses like dengue, zika, and yellow fever.
What about gauging human attractiveness to malaria mosquitoes, earlier than and after volunteers consumed both beer (utilizing 25 volunteers and a complete of 2,500 mosquitoes) or water as a management, with 18 volunteers and solely about 1,800 mosquitoes. And? Water consumption had no impact, however beer consumption elevated the attractiveness of the volunteers. It’s just like the mosquitos placed on beer goggles. Beer consumption will increase human attractiveness.
To date, bananas and beer are the one dietary parts which were proven to extend mosquito attraction. Okay, however we wish to repel mosquitos, not entice them. What about testing B nutritional vitamins as a house treatment towards mosquitoes? B nutritional vitamins are sometimes advisable within the well-liked media as a systemic repellent towards mosquitoes, particularly on the internet. The first research date again over a half century. They gave individuals doses of nutritional vitamins B1 and B6, but in a collection of subsequent assessments the mosquitoes probed avidly and bit promptly. They solely examined the nutritional vitamins on 4 individuals, however the nutritional vitamins appeared so ineffective, they didn’t suppose it value repeating the experiments, in view of the plain lack of repellency of those nutritional vitamins. We imagine, the researchers wrote, that now we have disproved the notions that nutritional vitamins taken orally act as mosquito repellents. But they solely examined nutritional vitamins B1 and B6. What about B2, B3, B5, B9, B12? You don’t know, till you set it to the check.
These are the outcomes of a small variety of printed research, just like the one I confirmed, that advised that vitamin B advanced dietary supplements aren’t efficient as repellents. But these research have been restricted by means of only a few human topics, just one species of mosquito, and a restricted variety of B nutritional vitamins. So, researchers determined to place it to relaxation as soon as and for all. B1, B2, B3, B5, B6, B7 (also referred to as biotin), B9, B12. They additionally simply tried a megadose of thiamine (B1), which is rumored to be the best B and…nothing. No impact of vitamin B supplementation. Any of them. I imply, it could be good to have an efficient oral insect repellent. Unfortunately, vitamin B1 has been proved to be ineffective. And this contains so-called mosquito repellent patches, that supposedly ship B1 by means of the pores and skin. No safety offered in any way.
Bottom line: Vitamin B1, also referred to as thiamine, just isn’t a systemic mosquito repellent in males. They even tried smearing it on individuals’s pores and skin. With failure after failure, you start feeling dangerous for the volunteers, seated in a room with their shirts off. Then, they simply launch 100 suckers into the room. Look at a few of these chew charges. These are bites per minute. Up to 96 bites per minute. Just suppose how dangerous it could have been if that they had some bananas and beer.
Please contemplate volunteering to assist out on the location.