Bitcoin

Health‑driven seasonal effects have historically correlated with modest dips in risk‑off assets, including crypto, as investors re‑allocate toward defensive sectors (pharma, utilities). The longer hay‑fever season also raises operational costs for data‑center and mining farms in high‑pollen regions due to increased HVAC usage, subtly nudging energy demand higher.

A major report finds hay fever symptoms now last up to two weeks longer than in the 1990s