A new study highlights how signals from the liver to the brain influence eating patterns tied to our circadian rhythms.

中更新世过渡（MPT）标志着冰期—间冰期气候特征的转变。关于MPT起源的一个普遍假设是，冰川深海环流发生了根本性的变化，其标志是在约90万年（海洋同位素阶段24至22）发生环流“危机”。

Acid peptic disorders are the result of distinctive, but overlapping pathogenic mechanisms leading to either excessive acid secretion or diminished mucosal defense. They are common entities ...

Methods: In a prospective cohort study of 96 subjects presenting as perforated peptic ulcer and treated using Graham's omentoplatsy patch or gastrojejunostomy (with total truncal vagotomy), we ...