Is Uxmal a Mayan or Aztec?

Is Uxmal a Mayan or Aztec? Maya Uxmal, in north-west Yucatán, Mexico, was an important Maya city which flourished between the 6th and 10th centuries CE. The city, following an extensive restoration programme, is the Read more…

What is ammoniacal dermatitis?

What is ammoniacal dermatitis? Napkin dermatitis results from prolonged skin contact with urine and faeces. Bacteria convert urea to ammonia which is an alkaline irritant. friction, occlusion, and maceration all play important roles in the Read more…