Smoking

Our sources steer away from smoking due to its well-known health risks.

Our sources say skip

For lifestyle risk factors.

Sourced from the doctors, PhDs and clinicians behind Entrain. Updated

Both sides, in their own words

Our sources differ. Compare their views and the context behind each one.

One side

“Smoking is probably the only thing that I would say that even if you love it you should try it out and really strong correlation between smoking and psoriasis and inflammatory bowel disease”

a certified nutrition specialist · source video · 01:02:00

The other

“Poor circulatory health impairs hormone transport from production sites to target tissues.”

a nutritional sciences PhD · source video · 00:04:50

In their own words

One faithful sentence per source, linked to the moment it was said; quiet chips mark where money is involved.

a nutritional sciences PhD against
“Poor circulatory health impairs hormone transport from production sites to target tissues.”

a nutritional sciences PhD · source video · 00:04:50

a registered nutritional therapist against
“Lifestyle factors like smoking, alcohol, and sunlight exposure influence epigenetic and inflammatory pathways affecting hair pigmentation.”

a registered nutritional therapist · Instagram reel

Worth discussing with your GP, especially if you take medication or are pregnant. Entrain describes what is publicly taught; it does not prescribe.

The research our sources reach for

Peer-reviewed papers cited alongside this verdict, linked straight to PubMed.

On 5 September 2026, 340 studies in the library were compared by identifier with 72,389 Retraction Watch entries. No matching notices were found. This check does not establish study quality or validate a health claim.

Natural environment exposure

Time in nature is a simple, effective way to support mental and physical well-being.

Strong consensus

“spending time in the natural world or or having opportunities to kind of commune with other species or spend time in restorative natural environments is not something we can do without”

a licensed acupuncturist and clinician-educator · source video · 00:14:32

Zone 2 cardio

Zone 2 cardio is foundational for heart, energy, and mitochondrial health.

Strong consensus

“Exercise is one of the best ways is blood flows across the glycoalics that sheer stress releases nitric oxide. Zone two training is where I would start.”

a board-certified cardiologist · source video · 00:12:30

Sweating

Sweating through movement or heat supports natural detoxification and can help with overall vitality.

Strong consensus

“We remove or deplete deuterium by sweating pooing weeing and also sunlight it'll deplete deuterium as well”

a molecular biology PhD · source video · 00:16:50