¿Qué es una enfermedad sistémica y cuáles son las más frecuentes?

#iguru_soc_icon_wrap_68c91595e026c a{ background: transparent; }#iguru_soc_icon_wrap_68c91595e026c a:hover{ background: transparent; border-color: #2c8fa0; }#iguru_soc_icon_wrap_68c91595e026c a{ color: #2c8fa0; }#iguru_soc_icon_wrap_68c91595e026c a:hover{ color: #ffffff; }.iguru_module_social #soc_icon_68c91595e02971{ color: #ffffff; }.iguru_module_social #soc_icon_68c91595e02971:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_68c91595e02971{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_68c91595e02971:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_68c91595e02a72{ color: #ffffff; }.iguru_module_social #soc_icon_68c91595e02a72:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_68c91595e02a72{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_68c91595e02a72:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_68c91595e02b03{ color: #ffffff; }.iguru_module_social #soc_icon_68c91595e02b03:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_68c91595e02b03{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_68c91595e02b03:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_68c91595e02b84{ color: #ffffff; }.iguru_module_social #soc_icon_68c91595e02b84:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_68c91595e02b84{ background: rgba(44,143,160,0.01); }.iguru_module_social #soc_icon_68c91595e02b84:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_68c91595e02be5{ color: #ffffff; }.iguru_module_social #soc_icon_68c91595e02be5:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_68c91595e02be5{ background: rgba(44,143,160,0.01); }.iguru_module_social #soc_icon_68c91595e02be5:hover{ background: rgba(255,255,255,0.01); }