longevitywatch
TopicsWhat worksAbout

Topics

Answers to the questions you ask yourself about healthy aging.

995 answers • 6,717 studies
What readers look for answers to
Do tanning beds give you vitamin D?Does the sauna help with weight loss?What does a daytime nap do to your health?What are the hallmarks of aging, exactly?Do men need estrogen for their health?Can exercise improve your gut microbiome?
Featured
Brain & memoryMemory, dementia and what keeps your brain healthy as you age.
  • Does a daily multivitamin help protect memory in older age?
  • Does talking in your sleep tell us anything about dementia?
  • Does Ozempic change your brain?
  • What does taurine do in your body?
113 answers · 759 studies
Explore topic →
Nutrition & preventionWhat food, fasting, fibre and supplements really do for healthy aging.
  • Does a daily multivitamin help protect memory in older age?
  • Do tanning beds give you vitamin D?
  • Do you live longer by eating less protein, or more?
  • Can you drink coffee with milk while fasting?
243 answers · 1,625 studies
Explore topic →
Muscles & movementStrength training, protein and movement to stay strong and mobile.
  • Do you live longer by eating less protein, or more?
  • Is it better to take a cold bath before or after strength training?
  • Does creatine help with weight loss?
  • What is urolithin A and does it work?
110 answers · 724 studies
Explore topic →
All topics
InterventionsRapamycin, metformin, GLP-1 and other widely-discussed compounds.
  • Can semaglutide (the active ingredient in Ozempic) also slow down the ageing process?
  • What does the thymus do, and can you rejuvenate that organ?
  • Which supplements are risky in the presence of kidney damage?
307 answers · 2,047 studies
Explore topic →
MetabolismBlood sugar, insulin and weight, the engine of aging.
  • Can you drink coffee with milk while fasting?
  • What does 12:12 fasting deliver compared with 16:8?
  • Does the sauna help with weight loss?
129 answers · 872 studies
Explore topic →
Heart & vesselsCholesterol, blood pressure and vascular age, the biggest cause of death.
  • Are calcium supplements bad for your heart?
  • Does eating spicy food help you live longer?
  • What health benefits do GLP-1 medications offer beyond weight loss?
114 answers · 758 studies
Explore topic →
HormonesTestosterone, menopause and hormone therapy as you age.
  • Is intermittent fasting safe during pregnancy?
  • Can estrogen cream help with urinary tract inflammation?
  • How do you get your hormone levels tested during perimenopause?
87 answers · 602 studies
Explore topic →
Immune systemInflammation, defence and how your immune system ages.
  • What does the thymus do, and can you rejuvenate that organ?
  • Can stem cell therapy slow down or cure rheumatoid arthritis?
  • Do mesenchymal stem cells help against frailty in older adults?
85 answers · 589 studies
Explore topic →
SleepHow much sleep you need and what poor sleep does.
  • Does talking in your sleep tell us anything about dementia?
  • Does magnesium glycinate help you sleep better?
  • Are sleep trackers accurate enough to help you improve your sleep?
82 answers · 548 studies
Explore topic →
SkinSkin aging and what actually helps against it.
  • Do tanning beds give you vitamin D?
  • How much collagen per day is worthwhile?
  • Is retinol safe to use after microneedling?
77 answers · 502 studies
Explore topic →
Gut & microbiomeGut flora, fibre and fermented foods.
  • Which fermented products have the greatest effect on gut health?
  • Is fermented food good for your health and your microbiome?
  • Does long-term antibiotic use weaken your immune system?
72 answers · 499 studies
Explore topic →
CancerScreening, lifestyle and what shapes your cancer risk.
  • Does linoleic acid in tissue increase the risk of skin cancer?
  • What is the role of chronic inflammation in the development of cancer?
  • Which cancer screenings are worthwhile, and from what age?
68 answers · 477 studies
Explore topic →
BonesBone density, osteoporosis and strong bones in later life.
  • How much collagen per day is worthwhile?
  • Are calcium supplements bad for your heart?
  • Which supplements are proven to help strengthen bones?
67 answers · 468 studies
Explore topic →
Aging clocksBiological age, epigenetic clocks and biomarkers of aging.
  • Can semaglutide (the active ingredient in Ozempic) also slow down the ageing process?
  • Does alpha-ketoglutarate work against ageing?
  • What can you expect from a longevity clinic in the Netherlands?
66 answers · 437 studies
Explore topic →
Cells & DNATelomeres, mitochondria, senescence and NAD , aging at the cellular level.
  • Does the protein GDF11 rejuvenate old cells?
  • What do mitochondrial mutations mean for how quickly you age?
  • Can you repair DNA damage, or can you only prevent it?
65 answers · 470 studies
Explore topic →
Don't see your question?
Ask it and we'll look it up for you.
Ask a question →
Newsletter

Stay in the loop

Twice a week, the most important longevity research in your inbox.