States with permissive gun laws have higher mass shooting rates, study finds: Average rates 11 percent higher and growing in permissive states, shrinking in restrictive states

States with more permissive gun laws and greater gun ownership have higher rates of mass shootings, and a growing divide

Interval training may shed more pounds than continuous moderate intensity workout: And sprint interval training may be most effective for weight loss, pooled data analysis shows

Interval training may shed more pounds than a continuous moderate intensity workout, suggests a pooled analysis of the available evidence,