The air quality index (AQI) for most of Los Angeles is above 100, as of writing, and several areas show an AQI above 150, meaning most of the air is considered unhealthy for sensitive groups, and potentially harmful to the general public
ISBN 2-908958-65-1 (essay) The Case of the Persevering Maltese Dalkey Archive, 2003
Guangdong Biobank Cohort (GDBC) study Yong-Qiao He, Wen-Qiong Xue, Hua Diao, Ji-Yun Zhan, Ming-Fang Ji, Da-Wei Yang, Yi Zhao, Chang-Mi Deng, Zi-Yi Wu, Ting Zhou, Ying Liao, Mei-Qi Zheng, Wen-Li Zhang, Yi-Jing Jia, Lei-Lei Yuan, Lu-Ting Luo, Dan-Hua Li, Tong-Min Wang, Xia-Ting Tong, Yan Du, Ling-Ling Tang, Jing-Wen Huang, Chang-ling Huang, Zhi-Yang Zhao, Yan-Xia Wu, Lian-Jing Cao, Si-Qi Dong, Fang Wang, Cheng-Tao Jiang, Ruo-Wen Xiao, Wen-Bin Zhang, Xue-Yin Chen, Qiao-Ling Wang, Qiao-Yun Liu, Yue-Ze Zhao, Cao-Li Tang, Lin Ma, Xiao-Hui Zheng, Pei-Fen Zhang, Xi-Zhao Li, Shao-Dan Zhang, Ye-Zhu Hu, Xia Yu, Biao-Hua Wu, Fu-Gui Li, Jian-Hua Wu, Bi-Sen Deng, Xue-Jun Liang, Wei-Hua Jia European Journal of Epidemiology 28
Many anecdotal online sources claim that simple household ingredients such as baking soda, vinegar, lemon juice, and hydrogen peroxide can remove stains from the skins surface
Its affordability and availability have helped it build a loyal customer base over the years