half siblings
What It’s Like to Find Your 17 Sperm Donor Siblings on the Internet
Growing up, I always wanted sisters and brothers. But I had no idea how many I'd find when I signed up for the Donor Sibling Registry.
Does Living with a Step- or Half-Sibling Make Children More Aggressive?
A recent study found that children who live with step- or half-siblings are more likely to behave aggressively than kids who don't. We got in touch with the lead researcher to figure out why.
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