Objectives:
Several studies have been conducted on the effects of peanut consumption on cardiovascular diseases (CVD) risk factors. However, the findings are conflicting and appear inconsistent. Therefore, this review article has been conducted.

Does peanut consumption reduce cardiovascular disease risk?

Study design:
This review article included 13 RCTs.

Results and conclusions:
The investigators found peanuts consumption had no significant effect on:

Objectives:
Do omega-3 fatty acids in fish consumption reduce risk of breast cancer in Asian patients?

Study design:
This review article included 4 cohort studies and 7 case-control studies with a total of 130,365 Asian patients.

There was not any study with significant publication bias included.

Objectives:
No conclusive information is available about the association between dietary total antioxidant capacity (DTAC) and risk of mortality. Therefore, this review article has been conducted.

Does dietary total antioxidant capacity (DTAC) reduce risk of death from all-cause (all-cause mortality), cancer (cancer mortality) and cardiovascular diseases (CVDs mortality)?

Objectives:
Current research suggests conflicting evidence surrounding the association between serum magnesium levels and the diagnosis of attention deficit hyperactivity disorder (ADHD). Therefore, this review article (meta-analysis) has been conducted.

Does serum magnesium deficiency increase risk of ADHD?

Objectives:
Various mechanisms link higher total homocysteine to higher insulin resistance and risk of type 2 diabetes (T2D). Folate supplementation is recognized as a way to lower homocysteine. However, randomized controlled trials (RCTs) show inconsistent results on insulin resistance and type 2 diabetes outcomes. Therefore, this review article (meta-analysis) has been conducted.

Does folate supplementation improve insulin resistance and type 2 diabetes outcomes?

Objectives:
The goal of this review article is to identify as well as quantify the effect of vitamin A fortified food on serum vitamin A concentration among children under 10 year.

Study design:
This review article included 14 RCTs covering 6,153 children with duration of feeding for the fortified foods ranged between 3 and 12 months.  
A random effects model was applied to compute the pooled effect size of effect of serum retinol.

Objectives:
Several epidemiological studies have investigated the association between dietary fat intake and cardiovascular disease. However, dietary recommendations based on systematic review and meta-analysis might be more credible. Therefore, this review article has been conducted.

Does dietary fat intake increase cardiovascular disease risk?

Study design:
This review article included 56 cohort studies.
Egger test showed no evidence of significant publication bias.

Objectives:
Results from earlier publications on the association of coffee and caffeine and risk of ovarian cancer are inconsistent. Therefore, this review article has been conducted.

Is there an association between coffee and caffeine consumption and risk of ovarian cancer among women?

Objectives:
Human papillomavirus (HPV) vaccination has been proven to effectively protect against HPV infection and infection-associated cancer. However, there are concerns about the relationship between HPV vaccination and the risk of autoimmune disorders (ADs). Therefore, this review article has been conducted.