What are the differences in symptoms between a hemorrhoid and an anal fissure? Common symptoms of hemorrhoids include: ...

Lab-grown diamonds are chemically identical to mined gems but tend to be more eco-friendly and affordable. Here's where to find the best ones, according to gem experts.

Introduction Humic substances (HS) are remains of decomposed plant and animal materials such as lignin, tannins, cellulose, and cutins (Tan et al., 2000; Billingham, 2012; Hayes and Swift, 2020). High ...