Substances Page 581

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  1. Caffeine: What to Know

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

    By Lucia Ferreira
  2. Hangovers: What to Know

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

    By Hannah Solberg
  3. Kava vs. Energy Drinks: Key Differences

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

    By Marcus Oyelaran
  4. Withdrawal at Every Age

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

    By Avery Lindqvist
  5. What Experts Say About Secondhand Smoke

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

    By Grace Adeyemi
  6. Questions People Ask About Binge Drinking

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

    By Grace Adeyemi
  7. Vaping and Secondhand Smoke: What’s the Connection?

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

    By Marcus Oyelaran
  8. New Research on 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 Jonah Whitfield
  9. When to See a Doctor About Caffeine

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

    By Hannah Solberg
  10. Ten Things to Know About Withdrawal

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

    By Marcus Oyelaran
  11. Added Sugar and Nicotine: What’s the Connection?

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

    By Samuel Brightwater
  12. New Research on Hangovers

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

    By Theo Nakamura
  13. The Science Behind Secondhand Smoke

    What causes the changes linked to secondhand smoke, how energy drinks fits in, and which simple facts make the whole topic much easier to understand.

    By Samuel Brightwater
  14. What Experts Say About Vaping

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

    By Priya Ramanathan