execute at @s[scores={health=3..5}] run particle minecraft:block{block_state:"minecraft:redstone_block"} ~ ~1 ~ 0.1 0.1 0.1 0.5 5 force
effect give @s[scores={health=3..5}] minecraft:slowness 5 2 true
execute at @s[scores={health=..2}] run particle minecraft:item{item:"minecraft:redstone"} ~ ~1.6 ~ 0.1 0.1 0.1 0.5 20 force
effect give @s[scores={health=..2}] minecraft:nausea 10 0 true
effect give @s[scores={health=..2}] minecraft:slowness 10 4 true