Latest news, Wikipedia summary, and trend analysis.
This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.
Based on Wikipedia pageviews and search interest, this topic gained significant attention on the selected date.
This topic is not currently in the ranking.
Coal tar is a thick dark liquid that is a by-product of deriving coke and coal gas from coal. Coal tar has both medical and industrial uses. Medicinally, it is a topical medication applied to skin to treat psoriasis and seborrheic dermatitis (dandruff). It may be used in combination with ultraviolet light therapy in a treatment called Goeckerman therapy, which is rarely used clinically, as of 2024.
Read more on Wikipedia →This topic has recently gained attention due to increased public interest. Search activity and Wikipedia pageviews suggest growing global engagement.
Search interest data over the past 12 months indicates that this topic periodically attracts global attention. Sudden spikes often correlate with major news events, public statements, or geopolitical developments.