Writing Exercise #4


  • usage of probiotics – Probiotics play an important role in the immunity system. They can compete with pathobionts by consuming nutrients they need, and they can exclude pathobionts from colonizing in the gut. Probiotics also produce beneficial bioactive compounds, such as butyrate, vitamins or growth substrates. They can secrete compounds that inhibit or kill pathobionts.
  • usage of antibiotics  – Antibiotics is widely used as a treatment for a large range of diseases, especially in developing countries. People can get access to antibiotics easily in the grocery store pharmacy. Antibiotics quickly kill most of bacteria and destroy the balance of our inner environment. Frequently exposure to antibiotics will it harder for us to restore our gut microbiome.
  • diet  – Food we consume will affect the gut microbiome. For example, consuming more food riched in insoluble fiber will stimulate the growth of probiotics.
  • exposure to bacteria – Especially for babies, the exposure to the outside world can help them to set up their own microbiome system quickly.
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