While humans evolved over a period of approximately 6 million years, breakthroughs in modern medicine as we know it today got going only in the 19th and 20th centuries. So how did humans successfully survive through millions of years of diseases and illnesses without modern drugs and treatments?

This was a question I came to wonder about when the COVID-19 pandemic reached my family in India in April 2020, when there was very limited access to vaccines and treatments. All of my years working as a biomedical scientist, requiring empirical evidence and formal safety testing before using a treatment, took a back seat as I scrambled for potential therapies from any sources I could find, be it scientific papers or folklore. I was ready to try any experimental or traditional medicine that might have a chance at helping my dad.

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Luckily, my dad recovered. I can’t say for sure if any of the traditional medicines we used actually helped him recover. But as someone whose entire scientific career has focused on discovering new drugs from chemical compounds found in nature, I wondered if there was a molecule in the traditional medicines we used that could be isolated and optimized to treat COVID-19.

Read more: The Conversation