- Science & Research
- Magazine
- 2022
- February
February Issue
Human research links sleep loss with weight gain. Four studies published over the last three years reveal a partial solution.
Reports
![Researchers taking sample of curcumin for protecting memory and better absorption](/-/media/lef/images/magazine/mag2022/images/0222_rep1_cdb_hero.jpg?rev=f58cb04947714fb895a73158c88ce38a&h=400&w=720&la=en&hash=04F8D6F6E6EA2CD75BDC97E2B14E2840)
Curcumin for the Brain
Curcumin helps form new neurons and protect memory. New data demonstrate how curcumin can penetrate the blood-brain barrier.
![Husband and wife sleeping using ashwagandha extract to improve restorative sleep](/-/media/lef/images/magazine/mag2022/images/0222_rep2_gbns_hero.jpg?rev=3bedda80a63d4a2ab42db0113375c01c&h=400&w=720&la=en&hash=DDF15209F208AC1D968F30BBFDA33380)
Get a Better Night's Sleep
A human study found that a new ashwagandha extract improved restorative sleep by 72%.
![Woman doing yoga with reduced hunger signals through hibiscus flower extracts](/-/media/lef/images/magazine/mag2022/images/0222_rep3_chbf_hero.jpg?rev=b3feb496ec884f3b8a4423a164a5ec5c&h=400&w=720&la=en&hash=51B0B79F950FD5065EF466A3DA3E261C)
Curb Hunger and Burn Fat
Lemon verbena combined with hibiscus flowers can reduce hunger signals and promote satiety. In a clinical trial these two plant extracts decreased hunger by 56.4% and decreased weight by 5.4%.
![Senior husband picking up wife thanks to increased free testosterone levels](/-/media/lef/images/magazine/mag2022/images/0222_rep4_btwd_hero.jpg?rev=2bcc9161613d4af5b3e8cf89d01040dc&h=400&w=720&la=en&hash=B4ADD98AF3305039A22E3606297B2205)
Boost Testosterone Without Drugs
As men age, their testosterone tends to bind to a blood protein rendering the testosterone unavailable to cells throughout the body. A plant-based formula increased free testosterone by 48% in a human study.
![Scientist holding halved tomatoes to extract lycopene for reducing certain disease risks](/-/media/lef/images/magazine/mag2022/images/0222_rep5_rul_hero.jpg?rev=858218752dbc44bbb44bd426d0002403&h=400&w=720&la=en&hash=EBBC78864FBC9F0F995831D31D96E914)
Lycopene: Research Update
Lycopene, found in tomatoes, has multiple benefits potentially reducing the risk of certain malignancies, neuropathies, and type II diabetes.
![Husband and wife taking walk using selenium and CoQ10 supplements for cardiovascular health](/-/media/lef/images/magazine/mag2022/images/0222_rep6_csrcd_hero.jpg?rev=851f18ccb4bc4d3ab84fa2fdafcac53b&h=400&w=720&la=en&hash=66F7EC53EBAF962A7951D3D13E58BB5D)
CoQ10 And Selenium Reduce Cardiovascular Death
Cardiovascular deaths were reduced by 50% in older adults taking selenium and CoQ10 supplements.
Departments
![Business woman on her computer using vitamin C and E for lowering cognitive decline](/-/media/lef/images/magazine/mag2022/images/0222_dep1_itn_hero.jpg?rev=c68cc7e58fbc4565a12ee253a66f0996&h=400&w=720&la=en&hash=C84466E5AE433029E299DC99AC0A0782)
In The News: Vitamin C and E Lowers Risk of Cognitive Decline
Vitamins C and E reduce dementia risk; fast-food availability linked to risk of diabetes; resveratrol helps control diabetes; NAD+ may improve cognitive function.
![Brain and cognitive function being supported by a diet for benefited mental health](/-/media/lef/images/magazine/mag2022/images/0222_dep2_ai_hero.jpg?rev=cd8f314e27d74343abdfd721fab623d2&h=400&w=720&la=en&hash=E40C0C93C66B9929248359E8B1FE4F7F)
This is Your Brain on Food
Psychiatrist, chef, and author of This is Your Brain on Food, Uma Naidoo, MD, explains what to eat to improve cognitive function, mood, energy, concentration, and libido, and highlights key supplements.
![Red delicious apples that are nutrient-dense and containing high levels of flavonoids and carotenoids](/-/media/lef/images/magazine/mag2022/images/0222_dep3_sf_hero.jpg?rev=013a6daebffe4ca881ff627d8f3d3d4a&h=400&w=720&la=en&hash=F99093F4593BA6C6639438C939B1700C)
Apples
Apples contain high levels of phytochemicals such as quercetin, flavonoids, and carotenoids, and are tied to a reduced risk of cardiovascular disease, cancer, asthma, and all-cause mortality.