Substances Page 747

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  1. Warning Signs Linked to Kava

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

    By Jonah Whitfield
  2. Warning Signs Linked to Secondhand Smoke

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

    By Samuel Brightwater
  3. New Research on Cannabis

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

    By Samuel Brightwater
  4. A Beginner’s Guide to Secondhand Smoke

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

    By Marcus Oyelaran
  5. Common Myths About Nicotine

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

    By Avery Lindqvist
  6. How Scientists Study Energy Drinks

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

    By Grace Adeyemi
  7. A Beginner’s Guide to Alcohol

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

    By Theo Nakamura
  8. Nicotine: What to Know

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

    By Jonah Whitfield
  9. What Your Doctor Wants You to Know About Added Sugar

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

    By Owen Pritchard
  10. Withdrawal vs. Kava: Key Differences

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

    By Marcus Oyelaran
  11. Everyday Habits That Affect Cannabis

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

    By Avery Lindqvist
  12. Vaping: What to Know

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

    By Samuel Brightwater
  13. How Scientists Study Cannabis

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

    By Nadia Kowalczyk
  14. Everyday Habits That Affect Added Sugar

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

    By Priya Ramanathan