- Liittynyt
- 06.04.2018
- Viestejä
- 3 124
Lueskelin joitain ihmistutkimuksia, joissa mukana kontrolliryhmä, joihin löysin viitteet noista julkaisuista.Paaston hyödyt tietenkin korostuu mitä pidemmästä paastosta puhutaan, esimerkiksi autofagosytoosi eli solujen korjaus käynnistyy käsittääkseni kunnolla vasta joskus 20-24 tunnin paaston jälkeen.
The 5 Stages of Intermittent Fasting - LIFE Apps | LIVE and LEARN
By 18 hours, you’ve switched to fat-burning mode and are generating significant ketones (Anton et al., Obesity 2018).
Within 24 hours, your cells are increasingly recycling old components and breaking down misfolded proteins linked to Alzheimer’s and other diseases (Alirezaei et al., Autophagy 2010). This is a process called autophagy.
By 48 hours without calories or with very few calories, carbs or protein, your growth hormone level is up to five times as high as when you started your fast (Hartman et al.,1992).
By 54 hours, your insulin has dropped to its lowest level point since you started fasting and your body is becoming increasingly insulin-sensitive (Klein et al., 1993).
By 72 hours, your body is breaking down old immune cells and generating new ones (Cheng et al., 2014).
Impact of Reduced Meal Frequency Without Caloric Restriction on Glucose Regulation in Healthy, Normal Weight Middle-Aged Men and Women
Collectively, the available data therefore suggest that meal skipping or intermittent CR diets can result in health benefits including improved glucose regulation, but only if there is an overall reduction in energy intake.
Impact of Reduced Meal Frequency Without Caloric Restriction on Glucose Regulation in Healthy, Normal Weight Middle-Aged Men and Women
Effects of eight weeks of time-restricted feeding (16/8) on basal metabolism, maximal strength, body composition, inflammation, and cardiovascular risk factors in resistance-trained males.
RESULTS:
After 8 weeks, the 2 Way ANOVA (Time * Diet interaction) showed a decrease in fat mass in TRF compared to ND (p = 0.0448), while fat-free mass, muscle area of the arm and thigh, and maximal strength were maintained in both groups. Testosterone and insulin-like growth factor 1 decreased significantly in TRF, with no changes in ND (p = 0.0476; p = 0.0397). Adiponectin increased (p = 0.0000) in TRF while total leptin decreased (p = 0.0001), although not when adjusted for fat mass. Triiodothyronine decreased in TRF, but no significant changes were detected in thyroid-stimulating hormone, total cholesterol, high-density lipoprotein, low-density lipoprotein, or triglycerides. Resting energy expenditure was unchanged, but a significant decrease in respiratory ratio was observed in the TRF group.
Effects of eight weeks of time-restricted feeding (16/8) on basal metabolism, maximal strength, body composition, inflammation, and cardiovascular ... - PubMed - NCBI
A controlled trial of reduced meal frequency without caloric restriction in healthy, normal-weight, middle-aged adults
- Systolic and diastolic blood pressures were significantly lowered by ≈6% during the period when subjects were consuming 3 meals/d than when they were consuming 1 meal/d.
- Subjects’ weight and body fat mass were lowered (1.4 and 2.1 kg, respectively) after consumption of the 1 meal/d diet but not after consumption of the 3 meals/d diet. No significant differences in fat-free mass and total body water were observed between the diet groups
- Consumption of 1 meal/d lowered blood urea nitrogen by 13.4%. The serum liver enzymes alkaline phosphatase, serum glutamic pyruvic transaminase, and serum glutamic oxaloacetic transaminase were higher 4.6%, 17.5%, and 16.0% higher, respectively, when subjects consumed 1 meal/d than when they consumed 3 meals/d. Serum albumin was 4.5% higher and cortisol concentrations were 48.9% lower after consumption of 1 meal/d than after consumption of 3 meals/d. Total, LDL, and HDL cholesterol were 11.7%, 16.8%, and 8.4% higher, respectively, in subjects consuming 1 meal/d than in those consuming 3 meals/d.
- Hemoglobiini ja punasolujen määrä alempi 1 kertaa päivässä syöneillä
Näyttäisi, että paastoaminen alentaa rasvan määrää joissakin tutkimuksissa mutta joissakin tutkimuksissa tämä johtui mahdollisesti alemmasta kalorimäärästä. Näiden tutkimusten perusteella rasvan määrän aleneminen toteutuu mahdollisesti tehokkaammin paastoryhmissä mutta paasto voi aiheuttaa muita negatiivisia seikkoja, kuten verenpaineen nousu, näläntunteen kasvaminen, testojen ja hemoglobiinin aleneminen, mahdollisesti kolesterolin nousu jne. Ainakaan näiden tutkimusten perusteella paasto ei ole mikään varma seikka parantaa terveyttä mutta voi auttaa rasvan poltossa. Kaikissa noissa tutkimuksissa koehenkilöiden määrä oli kuitenkin suht alhainen. Onko vastaavia tehty joissa enemmän ihmisisä?
Viimeksi muokattu:
Mutta kun ihminen tykkää syömisestäkin (liikaakin), niin onko oikeasti järkevää niitä kaloreita vielä juoda lisäksi?