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PRACTICE TEST 2 What is one way antibiotics can affect humans?

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The Human Microbiome
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The human microbiome consists of trillions of microorganisms living in and on our bodies. These include bacteria, viruses, fungi, and other microbes. They play a pivotal role in functions such as digestion, immunity, and mood regulation. For instance, gut bacteria help break down food and produce essential vitamins.

Recent studies show that the microbiome can be influenced by diet, lifestyle, and medication. Antibiotics, while effective against harmful bacteria, can disrupt the balance of beneficial microbes. This disruption can lead to health issues like digestive problems and weakened immunity. Researchers are exploring the connection between the microbiome and mental health. Certain gut bacteria produce neurotransmitters affecting brain function. An imbalance in these bacteria may be linked to conditions like depression and anxiety.

Maintaining a healthy microbiome involves eating a varied diet rich in fiber, reducing stress, and avoiding unnecessary antibiotics. Bacteria that aid digestion, known as robiotics and prebiotics, are also beneficial. As understanding of the microbiome grows, it may lead to breakthroughs in treating diseases and improving health.

2.
What is one way antibiotics can affect humans?

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