While this is controversial and still speculative , there are also indications these practices can even slow down disease progression , says lead author david burke , a neurologist at st vincent ' s hospital in sydney 悉尼圣文森特醫(yī)院神經(jīng)科專門醫(yī)師、主要作者大衛(wèi)?伯克說,人們對此爭論不休,這仍是一種推測,也有些人認(rèn)為,這些方法甚至能減慢該病的發(fā)展速度。