What do systematic reviews say?

Any type of cancer · adult men and women who had been exposed to arsenic‐containing drinking water

All‐cause mortality · adult men and women who had been exposed to arsenic‐containing drinking water

Neurocognitive function · adult men and women who had been exposed to arsenic‐containing drinking water

Any congenital anomalies · adult men and women who had been exposed to arsenic‐containing drinking water

Blood arsenic Measured by change in total blood arsenic, InAs, MMA, and DMA from baseline to week 12 · adult men and women who had been exposed to arsenic‐containing drinking water

Urinary arsenic Measured by change in percentage (%) of InAs, MMA, and DMA from baseline to week 12 · adult men and women who had been exposed to arsenic‐containing drinking water

Plasma homocysteine Measured by change in GM of plasma homocysteine concentrations from baseline to week 12 · adult men and women who had been exposed to arsenic‐containing drinking water

Neurocognitive function · adult men and women who had been drinking from a household well with water arsenic concentrations greater than 50 μg/L for at least 1 year

Any congenital anomalies · adult men and women who had been drinking from a household well with water arsenic concentrations greater than 50 μg/L for at least 1 year

Blood arsenic Measured by change in GM of blood arsenic concentrations from baseline to week 12 · adult men and women who had been drinking from a household well with water arsenic concentrations greater than 50 μg/L for at least 1 year

Urinary arsenic Measured by percentage (%) of InAs, MMA, and DMA from baseline to week 12 · adult men and women who had been drinking from a household well with water arsenic concentrations greater than 50 μg/L for at least 1 year

Plasma homocysteine Measured by change in GM of plasma homocysteine concentrations from baseline to week 12 · adult men and women who had been drinking from a household well with water arsenic concentrations greater than 50 μg/L for at least 1 year

Any type of cancer · adult men and women who had been drinking from a household well with water arsenic concentrations greater than 50 μg/L for at least 1 year

All‐cause mortality · adult men and women who had been drinking from a household well with water arsenic concentrations greater than 50 μg/L for at least 1 year