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For the first time in 20 years, the CDC updated its developmental milestones for infants and young children, aiming to give doctors and parents clearer benchmarks for identifying whether or not a child could have a developmental delay or disability.

The updates, made with the American Academy of Pediatrics, revise several developmental milestone checklists which use 50th percentile, or averageage, milestones. Using this approach means only half of children can be expected to achieve that milestone by that age. The revised developmental milestones are written in familyfriendly language and identify the behaviors that 75% or more of children can be expected to exhibit at a certain age based on data, developmental resources and clinician experience. Changes to the guidance include: h Adding checklists for ages 15 and 30 months; now there is a checklist for every wellchild visit from 2 months to 5 years. h Identifying additional social and emotional milestones (e.g., Smiles on their own to get your attention, age 4 months). h Removing vague language like “may” or “begins” when referring to certain milestones. h Providing new, openended questions to use in discussion with families

GETTY IMAGES Kids are really cashing in on lost teeth, according to a new Tooth Fairy poll by Delta Dental.

The average cash gift nationwide is $5.36 per tooth, according to the dental insurance company, which has been tracking tooth fairy payouts since 1998 when the average was just over $1 a tooth. The Northeast continues to lead U.S. regions with the highest average per lost tooth, rocketing $2 above the national average at $7.36. That's a $1.64 gain over the previous year’s results.

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A new picture book can help parents engage with their children on the difficult topic of refugeeism, and help kids understand why lack of safety can cause people to leave their homes.

“Our World Is A Family,” a book for ages 38 from refugee resettlement organization Miry’s List, educates children about difficult topics like war in an ageappropriate, digestible way. It explores the complicated topic of human migration in a gentle way, touching on the reason people might leave their homes and inspiring children to welcome their new neighbors – who may be different from them – into their communities.

Massachusetts is among several states launching a probe into TikTok’s effect on kids’ health.

State attorneys general from eight states are looking into possible harmful effects the popular video platform could have on young users’ mental health. The investigation will look into the possible harms its usage may cause young people and what TikTok knew about those harms. The investigation focuses, among other things, on the methods and techniques utilized by TikTok to boost young user engagement, including increasing the duration of time spent on the platform and frequency of engagement with the platform. Attorneys general nationwide are examining whether the company violated state consumer protection laws and put the public at risk.

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