What causes a lump under the chin? By Lizzy on December 6, 2018 A lump under the chin may be hard or soft, and tender or painless. This is not always a cause for concern. Learn about causes and when to see a doctor. Source: MedicalNewsToday.com Published in Health News Lizzy More from Health NewsMore posts in Health News »Largest COVID Vax Safety Study; Kratom Deaths Rising; Gov. Threatens Hospital ChainLargest COVID Vax Safety Study; Kratom Deaths Rising; Gov. Threatens Hospital ChainFasting-like diet lowers risk factors for disease, reduces biological age in humansFasting-like diet lowers risk factors for disease, reduces biological age in humansJunk DNA in birds may hold key to safe, efficient gene therapyJunk DNA in birds may hold key to safe, efficient gene therapyResearchers are using RNA in a new approach to fight HIVResearchers are using RNA in a new approach to fight HIVNearly all doctors feel burnout, but many are encouraged by potential of AI, survey says