Center for Environmental Therapeutics

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Center for Environmental Therapeutics

CET is a non-profit dedicated to education and research on new environmental therapies.

Environmental Therapeutics is...

a growing set of effective treatments that utilize natural elements including light and air. Difficulties that tend to respond well to these therapies include:

🔸Depression
🔸Mania
🔸Troubles with sleep
🔸Daytime fatigue
🔸Reactions to shift work
🔸Changes with Daylight Saving Time

04/23/2026

We always hear about what to eat... but 𝘄𝗵𝗲𝗻 𝘆𝗼𝘂 𝗲𝗮𝘁 matters just as much. ⏰🥗

Harvard researchers found that night shift workers who ate at night saw warning signs for diabetes. The reason? It throws off your internal clock and your metabolism.

If you or someone you love works nights, this one's worth reading. 👇

04/22/2026

😴 𝗦𝗹𝗲𝗲𝗽𝗶𝗻𝗴 𝗹𝗲𝘀𝘀 𝘁𝗵𝗮𝗻 𝘆𝗼𝘂 𝘀𝗵𝗼𝘂𝗹𝗱? It might be costing you more than just energy.

Research shows that short sleep is linked to a higher risk of chronic conditions: not just feeling tired, but long-term effects on your health.

👉 Tap the link in the comments to see what the research says about sleep and chronic disease.

04/21/2026

😴 Not a morning person? Or fully alive at night?

𝗧𝗵𝗮𝘁’𝘀 𝗻𝗼𝘁 𝗮 𝗯𝗮𝗱 𝗵𝗮𝗯𝗶𝘁: it’s your chronotype. Your body has a natural preference for when to sleep, wake, and feel your best… and fighting it can leave you tired, moody, and out of sync.

👉 Find out what your chronotype is and how to work with it in the comments.

04/20/2026

🌙 𝗧𝗮𝗸𝗶𝗻𝗴 𝗺𝗲𝗹𝗮𝘁𝗼𝗻𝗶𝗻 𝗯𝘂𝘁 𝘀𝘁𝗶𝗹𝗹 𝗻𝗼𝘁 𝘀𝗹𝗲𝗲𝗽𝗶𝗻𝗴 𝗯𝗲𝘁𝘁𝗲𝗿?

You’re not the only one. Many people use it hoping for deeper sleep, but timing, dosage, and expectations don’t always match how it actually works.

👉 Find out what melatonin really does (and doesn’t do): link in the comments.

04/19/2026

👓 Find the most advanced light therapy glasses ever built at CET.org

𝗔𝗬𝗢 𝗴𝗹𝗮𝘀𝘀𝗲𝘀 help improve sleep, boost mood, and power your daily performance — all in an ultra-lightweight, stylish design.

👉 Read all the specs in the comments below.

04/17/2026

🌙 What if better sleep could help teens feel better, too?

A recent study found that 𝗵𝗲𝗹𝗽𝗶𝗻𝗴 𝘁𝗲𝗲𝗻𝘀 𝗮𝗹𝗶𝗴𝗻 𝘁𝗵𝗲𝗶𝗿 𝘀𝗹𝗲𝗲𝗽 𝘀𝗰𝗵𝗲𝗱𝘂𝗹𝗲 with their natural body clock led to significant improvements in depression symptoms.

👉 Read more in the comments.

04/16/2026

📚 𝗚𝗼𝗼𝗱 𝘀𝗹𝗲𝗲𝗽, 𝗯𝗲𝘁𝘁𝗲𝗿 𝗺𝗼𝗼𝗱, 𝗺𝗼𝗿𝗲 𝗲𝗻𝗲𝗿𝗴𝘆: these aren’t just winter topics.

CET’s recommended books section is filled with science-backed reads that help you understand your body clock, light, sleep, and emotional well-being all year long.

👉 Explore the reading list in the comments.

04/15/2026

⏰ Want to wake up without an alarm?

One CEO shared that the secret wasn’t discipline: 𝗶𝘁 𝘄𝗮𝘀 𝘄𝗼𝗿𝗸𝗶𝗻𝗴 𝘄𝗶𝘁𝗵 𝗵𝗶𝘀 𝗯𝗼𝗱𝘆 𝗰𝗹𝗼𝗰𝗸. Morning light, a consistent bedtime, and less light at night helped train his body to wake up naturally.

👉 Read the full story in the comments.

04/14/2026

☀️ : More sun this spring… 𝗯𝘂𝘁 𝘄𝗵𝗮𝘁 𝗶𝗳 𝗯𝗿𝗶𝗴𝗵𝘁 𝗱𝗮𝘆𝘀 𝗺𝗮𝗸𝗲 𝘆𝗼𝘂 𝗳𝗲𝗲𝗹 𝘄𝗼𝗿𝘀𝗲?

For some people, increased sunlight can trigger light sensitivity, causing discomfort, headaches, or even unusual mood changes.

👉 CET's experts explain why this can happen and what may help. Link in the comments.

04/13/2026

⏰ The timing of your medication may matter more than you think.

New research suggests that 𝗮𝗹𝗶𝗴𝗻𝗶𝗻𝗴 𝗱𝗿𝘂𝗴 𝗱𝗼𝘀𝗶𝗻𝗴 𝘄𝗶𝘁𝗵 𝘆𝗼𝘂𝗿 𝗰𝗶𝗿𝗰𝗮𝗱𝗶𝗮𝗻 𝗿𝗵𝘆𝘁𝗵𝗺 may help treatments work more effectively.

👉 Learn how body timing can influence treatment in the comments.

04/12/2026

💡 What began as a scientific breakthrough is now helping people improve sleep, energy, 𝗮𝗻𝗱 𝗲𝗺𝗼𝘁𝗶𝗼𝗻𝗮𝗹 𝘄𝗲𝗹𝗹-𝗯𝗲𝗶𝗻𝗴 𝗲𝘃𝗲𝗿𝘆 𝗱𝗮𝘆.

👉 Curious how light therapy works and what it can help with? Link in the comments.

04/10/2026

🟢 Could green light be the relief migraine sufferers have been looking for?

A specific narrow band of green light has been shown to 𝗵𝗲𝗹𝗽 𝗲𝗮𝘀𝗲 𝘀𝘆𝗺𝗽𝘁𝗼𝗺𝘀 for some people.

👉 Read more about this simple at-home way to make migraine days more manageable in the comments.

Address

31 Harvard Street
Worcester, MA
01609

Telephone

+16463958241

Website

http://www.cet.org/

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Our Story

CET is an independent, non-profit professional organization dedicated to education and research on the new environmental therapies.

We are scientists and clinicians who work in the fields of psychiatry, psychology, chronobiology, sleep research and medicine, and gather on this website the findings of world-wide research on ENVIRONMENTAL THERAPEUTICS to help individuals and clinicians.

These treatments cover many clinical syndromes and diagnoses, in particular mood and sleep disorders, shift-work problems, but also children’s development, the ageing process, healthy architecture, and the politics of daylight saving time.

Visit our website for more information: www.cet.org