Add to that their ultrasensitive hands, er, paws, which have four times as many sensory receptors as their feet.

此外， 它们的超级敏感的手，呃， 爪子上的感觉受体数量是脚的四倍。

" We need to shift towards using biomarkers such as ultrasensitive blood tests so we can get objective data, " he says.

“我们需要转向使用生物标志物， 例如超灵敏血液测试， 这样我们才能获得客观数据，” 他说。