Research Question:
Vitamin C reduces the effort of swallowing-induced bronchoconstriction (exercise-induced asthma)?
Study Design:
This overview article contained 3 Rcts with 40 participants.
There was no heterogeneity (I2 = 0%) because the fixed effect model was used.
The dosage of vitamin C was 0.5-2 grams for 1 day or for several days. The average age in 1 study was 14 years and 25 and 26 years in other 2 studies.
Research Question:
Swallowing of vitamin C lowers cholesterol levels in people with high cholesterol?
Study Design:
This overview article contained 13 Rcts. The age of the participants ranged from 48 to 82 years.
Research Question:
Research Question:
How many mg of vitamin C per day is needed to reduce the increased oxidative stress among athletes?
Study Design:
This overview article contained 12 studies. They were crossover or Rcts. The vitamin C supplementation period ranged from acute to 5 months.
Research Question:
Increases low vitamin D blood value during pregnancy the chance of getting preeclampsia, gestational diabetes, a premature birth or a SGA baby?
Study Design:
This overview article contained 24 observational studies.
Research Question:
Is there a relationship between the serum vitamin D levels and survival rates among both colon cancer and breast cancer patients?
Study Design:
This overview article contained 5 prospective cohort studies with cancer patients and borskankerpatiënten 2330 thick 4413.
Results and conclusions:
The researchers found that a high serum vitamin D levels the total mortality (death to) under thick darmkankerpatitënten significantly with 29% [95% CI = 0.55-0.91] reduced.
Research Question:
High vitamin D blood value lowers the chances of getting high blood pressure?
Study Design:
This overview article contained 8 prospective cohort studies with 55816 283537 participants and people with high blood pressure. The study duration ranged between 1 and 14 years.
Research Question:
Observational studies report a consistent association between low vitamin D blood concentration and increased blood sugar and the risk of getting type 2 diabetes, but the results in Rcts are contradictory and therefore was carried out this review article.
Swallowing vitamin D lowers the chances of getting diabetes type 2?
Research Question:
Observational studies report a consistent association between low vitamin D blood concentration and increased blood sugar and the risk of getting type 2 diabetes, but the results in Rcts are contradictory and therefore was carried out this review article.
Swallowing vitamin D lowers the chances of getting diabetes type 2?
Research Question:
A high blood vitamin D level lowers the chances of getting diabetes type 2?
Study Design:
This overview article contained 21 prospective cohort studies with participants, of which 76220 4996 people with diabetes type 2.
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