This week's topics include family affluence and telomeres in children, gut bugs and respiratory illness in children, heat illness and homelessness, and low potassium diets and hypertension and diabetes.

Program notes:

1:05 Heat illness and homelessness

2:05 No access to water

3:05 More likely in southern states

3:20 Telomere length, family affluence and cortisol

4:20 High affluence had longer telomeres

5:20 Cortisol may need to be measured over longer time interval

6:20 Dietary patterns, sodium reduction, hypertension and those with diabetes

7:20 Dash-D with low sodium

8:20 Low sodium is good

9:14 Neonatal gut microbiota and lRTIs

10:14 Half of children born vaginally

11:15 First to look in newborns

12:39 End