front |1 |2 |3 |4 |5 |6 |7 |8 |9 |10 |11 |12 |13 |14 |15 |16 |17 |18 |19 |20 |21 |22 |review

The many roles that pets play in human health is not fully understood. Measuring this effect requires controlled epidemiologic studies and clinical trials. The design of such studies presents a significant challenge, but the rewards could be great.