Substances Page 662

More in Substances

1. How Cannabis and Secondhand Smoke Are Linked

   Researchers have learned a lot about cannabis in recent years. Here are the key findings, what they mean, and what is still unknown.

   By Elena Castellanos•July 29, 2016

2. Alcohol, Explained

   Learn what affects alcohol, which warning signs deserve attention, and when it is worth talking with a doctor rather than waiting it out.

   By Lucia Ferreira•July 28, 2016

3. Alcohol, Explained

   Learn what affects alcohol, which warning signs deserve attention, and when it is worth talking with a doctor rather than waiting it out.

   By Jonah Whitfield•July 28, 2016

4. Caffeine vs. Secondhand Smoke: Key Differences

   Many people misunderstand caffeine. We look at how it really works, why it matters, and what recent studies have added to the picture.

   By Lucia Ferreira•July 27, 2016

5. What Experts Say About Added Sugar

   Here is what added sugar actually involves, what the latest research says about it, and the practical details most people never hear about.

   By Priya Ramanathan•July 27, 2016

6. What Your Doctor Wants You to Know About Caffeine

   Here is what caffeine actually involves, what the latest research says about it, and the practical details most people never hear about.

   By Grace Adeyemi•July 27, 2016

7. What Experts Say About Withdrawal

   Researchers have learned a lot about withdrawal in recent years. Here are the key findings, what they mean, and what is still unknown.

   By Grace Adeyemi•July 26, 2016

8. Caffeine at Every Age

   From the basics to the newest findings, this guide explains caffeine in plain language and clears up a few of the most common myths.

   By Owen Pritchard•July 26, 2016

9. How Scientists Study Caffeine

   What causes the changes linked to caffeine, how added sugar fits in, and which simple facts make the whole topic much easier to understand.

   By Grace Adeyemi•July 25, 2016

10. Hangovers: What to Know

    What causes the changes linked to hangovers, how added sugar fits in, and which simple facts make the whole topic much easier to understand.

    By Nadia Kowalczyk•July 25, 2016

11. What Your Doctor Wants You to Know About Energy Drinks

    Here is what energy drinks actually involves, what the latest research says about it, and the practical details most people never hear about.

    By Priya Ramanathan•July 25, 2016

12. Nicotine vs. Added Sugar: Key Differences

    Here is what nicotine actually involves, what the latest research says about it, and the practical details most people never hear about.

    By Hannah Solberg•July 24, 2016

13. How Scientists Study Cannabis

    What causes the changes linked to cannabis, how binge drinking fits in, and which simple facts make the whole topic much easier to understand.

    By Jonah Whitfield•July 24, 2016

14. Caffeine: Facts vs. Fiction

    Learn what affects caffeine, which warning signs deserve attention, and when it is worth talking with a doctor rather than waiting it out.

    By Lucia Ferreira•July 23, 2016