Some cultural customs, rooted in long-standing beliefs about health, teething, and beauty, have notable effects on oral ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Amilcar has 10 years of FinTech, blockchain, ...

A new review warns that tongue piercings can damage teeth, gums, and even pose rare but serious systemic risks, urging patients and clinicians to weigh the dangers carefully. Piercings can trigger ...

Abstract: Optical aberration is a ubiquitous degeneration in realistic lens-based imaging systems. Optical aberrations are caused by the differences in the optical path length when light travels ...

An axon is a long, slender fiber extending from a neuron (nerve cell), which transmits messages to other neurons, muscle cells, or glands. The messages are in the form of electrical impulses, known as ...

The small intestine is the longest part of the digestive system, measuring between 10 and 16 feet. The primary function of the intestines is to absorb nutrients and vitamins and to eliminate waste.

We thank Dr. Jianzhi Zhang, Dr. Xionglei He, Dr. Weiwei Zhai, Shanshan Chen, Han Liu, Tianhan Wang, and three anonymous reviewers for valuable comments. This work was supported by the Strategic ...