Misinformation about drugs like Ozempic and Wegovy run rampant.Getty IMagesCiti analysts forecast 19% earnings growth for the healthcare sector in 2025, up from 4% this year.The analysts point to the stocks' right-sized valuations and a potential improvement in fundamentals.The sector has lagged the S&P 500's rally this year, up just 1%, while the index has surged 26%.After a tough year marked by policy uncertainty and lagging fundamentals, healthcare stocks are set to change course in 2025, Citi says.The firm points to better valuations for the sector, offering an attractive entry point after months of outsize valuations."What a difference a year makes.