Are Antibiotics Making Us Fat?

antibioticsantibiotics cause weight gain

Antibiotics, Immunity, and Obesity | The Scientist Magazine®

Aug 14, 2014 “We already knew antibiotics cause weight gain in other animals, so why wouldn’t they in mice?” asked microbiologist Brett Finlay of the …

Did you know your body is made up of about 100 trillion human cells, but that you are host to 1500 trillion microbes? In fact, two to five pounds of your body weight is nothing but microbes. Most of this microbial life lives in your gut and helps you digest the myriad of foods you eat.

Recent science has revealed that if you have an unhealthy balance of gut microbes — a condition called gut dysbiosis — it affects more than just your digestion. It can cause immune-related disorders including asthma or allergies, lead to mental problems in the form of ADD or bipolar disorder, and even present neurological symptoms like autism or MS.

But did you know that according to a recent study published in Nature, a course of sub-therapeutic antibiotics can also make you fat?

One of the keys here is the word sub-therapeutic. These are the low doses of antibiotics like those routinely fed to factory farmed animals to serve as growth promoters — like the ones we’re routinely subjected to when we eat those same animals.

Does this mean antibiotics make us fat?

So what if sub-therapeutic levels of antibiotics make animals fat? Does that automatically mean that normal rounds of antibiotics prescribed by doctors for our illnesses are making us fat?

Does that mean that if we eat meat from animals that have been fed these sub-therapeutic antibiotics, we’ll also get fat?

The answer may just be yes.

First, we find out that research done on the correlation between routine antibiotics and weight gain has been done:

The NYU team has produced another recent paper looking at just that question. They analysed data from a UK study in the early ’90s to see if they could find a correlation between antibiotic exposure and kids’ weight. The study involved more than 11,000 kids, about a third of whom had been prescribed antibiotics to treat an infection before the age of six months. The results: The babies who had been exposed to antibiotics had a 22 percent higher chance of being overweight at age three than those who hadn’t (though by age seven the effect had worn off).

Next, we find out that even though no one has studied the effect of residual antibiotics in the meat we eat on our own weight gain, they have studied the effects of these residual antibiotics on other micro-organisms:

A recent European study showed that tiny levels of antibiotics could have an effect on microorganisms. The researchers took some meat, subjected it to antibiotic residues near the US limit, and used a traditional technique to turn it into sausage, inoculating it with lactic-acid-producing bacteria. In normal sausage making, the lactic acid from the starter bacteria spreads through the meat and kills pathogens like E. coli. The researchers found, though, that the antibiotic traces were strong enough to impede the starter bacteria, while still letting the E. coli flourish. In other words, even at very low levels, antibiotics can blast “good” bacteria—and promote deadly germs.

If it can do that in naturally-fermented sausage, what do you think it’s doing to your gut?

What can you do about it?

I think the answer is obvious.

  1. Avoid any and all unnecessary antibiotic treatment.

I’m not opposed to all antibiotics. I recognise how amazing they are at treating many life-threatening diseases.

As recently as 100 years ago, the world was a much scarier place because of some infections that just couldn’t be combated “naturally” with diet or herbal remedies. Think of all the people who used to have limbs amputated because of gangrene or other infections setting into wounds! Keeping a wound sterilised and clean helps SOME, but it will not prevent some infections from gaining traction. Think of all the people who used to die from bacterial infections like typhoid, syphilis, tetanus, or meningitis — or who used to have to live with terrifying debilitating diseases like leprosy. Antibiotics have made a HUGE, POSITIVE difference in our lives!

That said, I won’t give them to my kids just because they have an ear infection. Mild infections like sore throat or childhood ear infections or sinus infections will often resolve themselves. And, there are safe home remedies that we’ve turned to repeatedly with great success.

But if kid gets typhoid fever while visiting Mexico, I will most certainly give him an antibiotic.

In the same way, if a farm animal is truly sick, I’ve got no problem removing them from the herd and giving them a therapeutic dose of antibiotics to treat the infection and save their life. It’s the humane thing to do.

The key here is to avoid unnecessary antibiotics.

  1. Avoid buying food made from animals that have been treated with antibiotics.

You can do this by knowing your farmer. Buy directly from them and know how they treat their animals. Ask what they do when animals get sick. Ask how they prevent infection.

You can also do this by buying organic, as organic standards forbid the use of antibiotics. A rancher raising certified organic animals will still treat his animals with antibiotics, but the treated animal will be separated from the herd and not sold to you as organic meat.

Last but the most important thing to keep in mind is that you should always ask your Doctor before taking any antibiotics. No Antibiotics without Doctor’s prescription.

Eat Well Live Well 🙂

About Sunny Bawa 42 Articles
Dr. Sunny Bawa is a sports doctor with a master’s in sports medicine. He specializes in nutrition and micro-trauma injuries. He has 10 years of experience and has handled weight loss needs since 2006. Bawa has been associated with athletes and games for a long time: He was part of the Commonwealth Health Team for Delhi in 2010 and has been the official team doctor for the ICC World Cup, Indian Athletics, and boxing teams. A natural bodybuilder himself, Bawa has won the titles of Mr. Mumbai and Chandigarh. He still trains and coaches celebrities and pro-athletes with special needs. One of the founders of NidSun clinics, Bawa and his team have a vision to bring world-class health facilities to the common man at the best price. Their aim is achieving long-term health and fitness goals and want to help others have a quality life free of diseases—the birthright of every person.

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